Chapter 2 Exercises.ipynb

{
 "cells": [
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "# Chapter 2 Exercises"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Reinforcement"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 1,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'\\n1) Software for monitoring vitals\\n\\n2) Self-driving cars\\n\\n3) Insulin Pump\\n\\n'"
      ]
     },
     "execution_count": 1,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#---------R2-1-------------------\n",
    "\"\"\"\n",
    "1) Software for monitoring vitals\n",
    "\n",
    "2) Self-driving cars\n",
    "\n",
    "3) Insulin Pump\n",
    "\n",
    "\"\"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 2,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "\"\\nSoftware that estimates market demand for a product so that you don't \\noverproduce a component as it becomes less desirable in the marketplace\\n\\n\""
      ]
     },
     "execution_count": 2,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#--------R2-2----------------\n",
    "\"\"\"\n",
    "Software that estimates market demand for a product so that you don't \n",
    "overproduce a component as it becomes less desirable in the marketplace\n",
    "\n",
    "\"\"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 3,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'\\nSaving a file:\\n- Check whether a file exists\\n- Start the i/o stream\\n- Write the data to a file\\n- Close the i/0 stream\\n- Handle different extensions and encodings\\n- Provide a dialog box for user inputs\\n- Handle invalid inputs\\n\\n'"
      ]
     },
     "execution_count": 3,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#---------R2-3--------------\n",
    "\"\"\"\n",
    "Saving a file:\n",
    "- Check whether a file exists\n",
    "- Start the i/o stream\n",
    "- Write the data to a file\n",
    "- Close the i/0 stream\n",
    "- Handle different extensions and encodings\n",
    "- Provide a dialog box for user inputs\n",
    "- Handle invalid inputs\n",
    "\n",
    "\"\"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 4,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Invalid price, must be a number (no dollar sign)\n",
      "Dandelion 5 Attribute has not been set\n",
      "\n",
      "\n",
      "None Attribute has not been set Attribute has not been set\n",
      "Rose 30 20.0\n"
     ]
    }
   ],
   "source": [
    "#--------R2-4-------------\n",
    "\n",
    "class Flower():\n",
    "    def __init__(self, name = None, petals = None, price = None):\n",
    "        self._name = self._petals = self._price = None\n",
    "               \n",
    "        self.set_name(name)\n",
    "        self.set_petals(petals)\n",
    "        self.set_price(price)\n",
    "        \n",
    "    def set_name(self, name):\n",
    "        try:\n",
    "            self._name = str(name)\n",
    "        except:\n",
    "            print ('Invalid input for a name, it must be a string')\n",
    "            \n",
    "    def set_petals(self, petals):\n",
    "        try:\n",
    "            self._petals = petals\n",
    "        except:\n",
    "            print ('Invalid input')\n",
    "            \n",
    "    def set_price(self, price):\n",
    "        if price is not None: \n",
    "            try:\n",
    "                self._price = float(price)\n",
    "            except:\n",
    "                print ('Invalid price, must be a number (no dollar sign)')\n",
    "            \n",
    "    def get_name(self):\n",
    "        if self._name is None: return ('Attribute has not been set')\n",
    "        else: return self._name\n",
    "    \n",
    "    def get_price(self):\n",
    "        if self._price is None: return ('Attribute has not been set')\n",
    "        else: return self._price\n",
    "    \n",
    "    def get_petals(self):\n",
    "        if self._petals is None: return ('Attribute has not been set')\n",
    "        else: return self._petals\n",
    "    \n",
    "    \n",
    "    \n",
    "Dand = Flower('Dandelion', 5, '$10.32')\n",
    "print(Dand.get_name(), Dand.get_petals(), Dand.get_price())\n",
    "\n",
    "\n",
    "print ('\\n')\n",
    "Rose = Flower()\n",
    "print(Rose.get_name(), Rose.get_petals(), Rose.get_price())\n",
    "\n",
    "Rose.set_name('Rose')\n",
    "Rose.set_price(20)\n",
    "Rose.set_petals(30)\n",
    "print(Rose.get_name(), Rose.get_petals(), Rose.get_price())\n",
    " \n",
    "        \n",
    "    \n",
    "        "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 5,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "-100.0\n",
      "0.0\n",
      "500.0\n",
      "700.0\n",
      "800.0\n",
      "Your deposit of 500.0 exceeds your remainder of 200.0\n",
      "800.0\n",
      "Invalid input\n",
      "800.0\n",
      "820.0\n",
      "Your deposit of 453.4 exceeds your remainder of 180.0\n",
      "820.0\n"
     ]
    }
   ],
   "source": [
    "#-----------R2.5-------------------\n",
    "class CreditCard():\n",
    "    def __init__(self, customer, bank, acnt, limit):\n",
    "        self._customer = customer\n",
    "        self._bank = bank\n",
    "        self._account = acnt\n",
    "        self._limit = limit\n",
    "        self._balance = 0  #Start with a balance of zero\n",
    "        \n",
    "    def get_customer(self):\n",
    "        return self._customer\n",
    "    def get_bank(self):\n",
    "        return self._bank\n",
    "    def get_account(self):\n",
    "        return self._account\n",
    "    def get_limit(self):\n",
    "        return self._limit\n",
    "    def get_balance(self):\n",
    "        return self._balance\n",
    "    \n",
    "    def set_balance(self, value):\n",
    "        self._balance = value\n",
    "          \n",
    "    def charge(self, price):\n",
    "        try:\n",
    "            price = float(price)  #This will accept an int, float or string that can be converted to a float\n",
    "        except:\n",
    "            print ('Invalid input')\n",
    "            return False       \n",
    "        if price+self._balance >self._limit:\n",
    "            print(f'Your deposit of {price} exceeds your remainder of {self.get_limit()-self.get_balance()}')\n",
    "            return False #You are going over your limit\n",
    "        else:\n",
    "            self._balance += price\n",
    "            return True\n",
    "        \n",
    "    def make_payment(self, amount):\n",
    "        try:\n",
    "            amount = float(amount)  #This will accept an int, float or string that can be converted to a float\n",
    "        except:\n",
    "            print ('Invalid input')\n",
    "            return False \n",
    "        self._balance -= amount\n",
    "        return True\n",
    "        \n",
    "        \n",
    "        \n",
    "cc1 = CreditCard('Andrew', 'ABC', '1234567890', 1000)\n",
    "cc1.make_payment(100); print(cc1.get_balance())\n",
    "cc1.charge(100); print(cc1.get_balance()) \n",
    "cc1.charge(500); print(cc1.get_balance()) \n",
    "cc1.charge(200); print(cc1.get_balance()) \n",
    "cc1.charge(100); print(cc1.get_balance()) \n",
    "cc1.charge(500); print(cc1.get_balance()) \n",
    "cc1.charge(\"Hello\"); print(cc1.get_balance())\n",
    "cc1.charge(\"20\"); print(cc1.get_balance())\n",
    "cc1.charge(\"453.4\"); print(cc1.get_balance())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 6,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "-100.0\n",
      "0.0\n",
      "500.0\n",
      "700.0\n",
      "800.0\n",
      "Your deposit of 500.0 exceeds your remainder of 200.0\n",
      "800.0\n",
      "Invalid input\n",
      "800.0\n",
      "820.0\n",
      "Your deposit of 453.4 exceeds your remainder of 180.0\n",
      "820.0\n",
      "Cannot make negative payments.  Try the charge method\n"
     ]
    }
   ],
   "source": [
    "#------------R2.6----------------------\n",
    "class CreditCardWithoutNegatives(CreditCard):\n",
    "    def make_payment(self, amount):\n",
    "        try:\n",
    "            amount = float(amount)\n",
    "        except:\n",
    "            print('Invalid Input')\n",
    "            return False\n",
    "        \n",
    "        if amount < 0:\n",
    "            raise ValueError('Cannot make negative payments.  Try the charge method')\n",
    "        else:\n",
    "            self._balance -= amount\n",
    "            return True\n",
    "\n",
    "cc1 = CreditCardWithoutNegatives('Andrew', 'ABC', '1234567890', 1000)\n",
    "cc1.make_payment(100); print(cc1.get_balance())\n",
    "cc1.charge(100); print(cc1.get_balance()) \n",
    "cc1.charge(500); print(cc1.get_balance()) \n",
    "cc1.charge(200); print(cc1.get_balance()) \n",
    "cc1.charge(100); print(cc1.get_balance()) \n",
    "cc1.charge(500); print(cc1.get_balance()) \n",
    "cc1.charge(\"Hello\"); print(cc1.get_balance())\n",
    "cc1.charge(\"20\"); print(cc1.get_balance())\n",
    "cc1.charge(\"453.4\"); print(cc1.get_balance())\n",
    "try:\n",
    "    cc1.make_payment(\"-453.4\"); print(cc1.get_balance())\n",
    "except Exception as e:\n",
    "    print (e)\n",
    "    "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 7,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "-50.0\n",
      "50.0\n",
      "550.0\n",
      "750.0\n",
      "850.0\n",
      "Your deposit of 500.0 exceeds your remainder of 150.0\n",
      "850.0\n",
      "Invalid input\n",
      "850.0\n",
      "870.0\n",
      "Your deposit of 453.4 exceeds your remainder of 130.0\n",
      "870.0\n"
     ]
    }
   ],
   "source": [
    "#--------------R2.7--------------------------\n",
    "#Note, you must run the cell in R2-4 for this one to work\n",
    "class CreditCardWithBalance(CreditCard):\n",
    "    def __init__(self, customer, bank, acnt, limit, balance = 0):\n",
    "        super().__init__(customer, bank, acnt, limit)\n",
    "        self._balance = balance\n",
    "        \n",
    "cc1 = CreditCardWithBalance('Andrew', 'ABC', '1234567890', 1000, 50)\n",
    "cc1.make_payment(100); print(cc1.get_balance())\n",
    "cc1.charge(100); print(cc1.get_balance()) \n",
    "cc1.charge(500); print(cc1.get_balance()) \n",
    "cc1.charge(200); print(cc1.get_balance()) \n",
    "cc1.charge(100); print(cc1.get_balance()) \n",
    "cc1.charge(500); print(cc1.get_balance()) \n",
    "cc1.charge(\"Hello\"); print(cc1.get_balance())\n",
    "cc1.charge(\"20\"); print(cc1.get_balance())\n",
    "cc1.charge(\"453.4\"); print(cc1.get_balance())"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 8,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Your deposit of 174.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 118.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 177.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 120.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 180.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 122.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 183.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 124.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 186.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 126.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 189.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 128.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 192.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 130.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 195.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 132.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 198.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 134.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 201.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 136.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 204.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 138.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 207.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 140.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 210.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 71.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 142.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 213.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 72.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 144.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 216.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 73.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 146.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 219.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 74.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 148.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 222.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 75.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 150.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 225.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 76.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 152.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 228.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 77.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 154.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 231.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 78.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 156.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 234.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 79.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 158.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 237.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 80.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 160.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 240.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 81.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 162.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 243.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 82.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 164.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 246.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 83.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 166.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 249.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 84.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 168.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 252.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 85.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 170.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 255.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 86.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 172.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 258.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 87.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 174.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 261.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 88.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 176.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 264.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 89.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 178.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 267.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 90.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 180.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 270.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 91.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 182.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 273.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 92.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 184.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 276.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 93.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 186.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 279.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 94.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 188.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 282.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 95.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 190.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 285.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 96.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 192.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 288.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 97.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 194.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 291.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 98.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 196.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 294.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Your deposit of 99.0 exceeds your remainder of 15.0\n",
      "Credit card has failed: California Savings\n",
      "Your deposit of 198.0 exceeds your remainder of 78.0\n",
      "Credit card has failed: California Federal\n",
      "Your deposit of 297.0 exceeds your remainder of 41.0\n",
      "Credit card has failed: California Finance\n",
      "Customer =  John Bowman\n",
      "Bank =  California Savings\n",
      "Account =  56 5391 0375 9387 5309\n",
      "Limit =  2500\n",
      "Balance =  2485.0\n",
      "New Balance =  2385.0\n",
      "New Balance =  2285.0\n",
      "New Balance =  2185.0\n",
      "New Balance =  2085.0\n",
      "New Balance =  1985.0\n",
      "New Balance =  1885.0\n",
      "New Balance =  1785.0\n",
      "New Balance =  1685.0\n",
      "New Balance =  1585.0\n",
      "New Balance =  1485.0\n",
      "New Balance =  1385.0\n",
      "New Balance =  1285.0\n",
      "New Balance =  1185.0\n",
      "New Balance =  1085.0\n",
      "New Balance =  985.0\n",
      "New Balance =  885.0\n",
      "New Balance =  785.0\n",
      "New Balance =  685.0\n",
      "New Balance =  585.0\n",
      "New Balance =  485.0\n",
      "New Balance =  385.0\n",
      "New Balance =  285.0\n",
      "New Balance =  185.0\n",
      "New Balance =  85.0\n",
      "\n",
      "Customer =  John Bowman\n",
      "Bank =  California Federal\n",
      "Account =  3485 0399 3395 1954\n",
      "Limit =  3500\n",
      "Balance =  3422.0\n",
      "New Balance =  3322.0\n",
      "New Balance =  3222.0\n",
      "New Balance =  3122.0\n",
      "New Balance =  3022.0\n",
      "New Balance =  2922.0\n",
      "New Balance =  2822.0\n",
      "New Balance =  2722.0\n",
      "New Balance =  2622.0\n",
      "New Balance =  2522.0\n",
      "New Balance =  2422.0\n",
      "New Balance =  2322.0\n",
      "New Balance =  2222.0\n",
      "New Balance =  2122.0\n",
      "New Balance =  2022.0\n",
      "New Balance =  1922.0\n",
      "New Balance =  1822.0\n",
      "New Balance =  1722.0\n",
      "New Balance =  1622.0\n",
      "New Balance =  1522.0\n",
      "New Balance =  1422.0\n",
      "New Balance =  1322.0\n",
      "New Balance =  1222.0\n",
      "New Balance =  1122.0\n",
      "New Balance =  1022.0\n",
      "New Balance =  922.0\n",
      "New Balance =  822.0\n",
      "New Balance =  722.0\n",
      "New Balance =  622.0\n",
      "New Balance =  522.0\n",
      "New Balance =  422.0\n",
      "New Balance =  322.0\n",
      "New Balance =  222.0\n",
      "New Balance =  122.0\n",
      "New Balance =  22.0\n",
      "\n",
      "Customer =  John Bowman\n",
      "Bank =  California Finance\n",
      "Account =  5391 0375 9387 5309\n",
      "Limit =  5000\n",
      "Balance =  4959.0\n",
      "New Balance =  4859.0\n",
      "New Balance =  4759.0\n",
      "New Balance =  4659.0\n",
      "New Balance =  4559.0\n",
      "New Balance =  4459.0\n",
      "New Balance =  4359.0\n",
      "New Balance =  4259.0\n",
      "New Balance =  4159.0\n",
      "New Balance =  4059.0\n",
      "New Balance =  3959.0\n",
      "New Balance =  3859.0\n",
      "New Balance =  3759.0\n",
      "New Balance =  3659.0\n",
      "New Balance =  3559.0\n",
      "New Balance =  3459.0\n",
      "New Balance =  3359.0\n",
      "New Balance =  3259.0\n",
      "New Balance =  3159.0\n",
      "New Balance =  3059.0\n",
      "New Balance =  2959.0\n",
      "New Balance =  2859.0\n",
      "New Balance =  2759.0\n",
      "New Balance =  2659.0\n",
      "New Balance =  2559.0\n",
      "New Balance =  2459.0\n",
      "New Balance =  2359.0\n",
      "New Balance =  2259.0\n",
      "New Balance =  2159.0\n",
      "New Balance =  2059.0\n",
      "New Balance =  1959.0\n",
      "New Balance =  1859.0\n",
      "New Balance =  1759.0\n",
      "New Balance =  1659.0\n",
      "New Balance =  1559.0\n",
      "New Balance =  1459.0\n",
      "New Balance =  1359.0\n",
      "New Balance =  1259.0\n",
      "New Balance =  1159.0\n",
      "New Balance =  1059.0\n",
      "New Balance =  959.0\n",
      "New Balance =  859.0\n",
      "New Balance =  759.0\n",
      "New Balance =  659.0\n",
      "New Balance =  559.0\n",
      "New Balance =  459.0\n",
      "New Balance =  359.0\n",
      "New Balance =  259.0\n",
      "New Balance =  159.0\n",
      "New Balance =  59.0\n",
      "\n"
     ]
    }
   ],
   "source": [
    "#----------------R2.8------------------------\n",
    "#Note: Must run the credit card class creation from R2.5\n",
    "class CreditCardSelfReport(CreditCard):\n",
    "    def special_charge(self, amount):\n",
    "        if super().charge(amount): return True\n",
    "        else:\n",
    "            print (\"Credit card has failed:\", self.get_bank())\n",
    "    \n",
    "    \n",
    "    \n",
    "\n",
    "wallet = []\n",
    "wallet.append(CreditCardSelfReport('John Bowman' , 'California Savings' ,'56 5391 0375 9387 5309' , 2500))\n",
    "wallet.append(CreditCardSelfReport('John Bowman' , 'California Federal' ,'3485 0399 3395 1954' , 3500))\n",
    "wallet.append(CreditCardSelfReport('John Bowman' , 'California Finance' ,'5391 0375 9387 5309' , 5000))\n",
    "\n",
    "for val in range (1,100):\n",
    "    wallet[0].special_charge(val)\n",
    "    wallet[1].special_charge(2*val)\n",
    "    wallet[2].special_charge(3*val)\n",
    "    \n",
    "for c in range(3):\n",
    "    print ('Customer = ', wallet[c].get_customer())\n",
    "    print ('Bank = ', wallet[c].get_bank())\n",
    "    print('Account = ', wallet[c].get_account())\n",
    "    print ('Limit = ', wallet[c].get_limit())\n",
    "    print('Balance = ', wallet[c].get_balance())\n",
    "    while wallet[c].get_balance()>100:\n",
    "        wallet[c].make_payment(100)\n",
    "        print('New Balance = ', wallet[c].get_balance())\n",
    "    print()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 9,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<5, 6, 7, 8, 9>\n",
      "<5, 4, 3, 2, 1>\n",
      "<-5, -4, -3, -2, -1>\n"
     ]
    }
   ],
   "source": [
    "#-----------R2-9--------------------\n",
    "class Vector:\n",
    "    def __init__(self, d):\n",
    "        self._coords = [0]*d\n",
    "    def __len__(self):\n",
    "        return len(self._coords)\n",
    "    def __getitem__(self, j):\n",
    "        return self._coords[j]\n",
    "    def __setitem__(self, j, val):\n",
    "        try:\n",
    "            self._coords[j] = val\n",
    "            return True\n",
    "        except:\n",
    "            print('Invalid input or index')\n",
    "            return False\n",
    "    def __add__(self, other):\n",
    "        if len(self)!=len(other):\n",
    "            raise ValueError('Dimensions must match')\n",
    "        result = Vector(len(self))\n",
    "        for j in range(len(self)):\n",
    "            result[j] = self[j] + other[j]\n",
    "        return result\n",
    "            \n",
    "    def __eq__(self, other):\n",
    "        return self._coords == other._coords\n",
    "    \n",
    "    def __ne__(self, other):\n",
    "        return not self==other\n",
    "    \n",
    "    def __str__(self):\n",
    "        return '<' + str(self._coords)[1:-1] + '>'\n",
    "    \n",
    "    def __sub__(self, other):\n",
    "        if len(self) != len(other):\n",
    "            raise ValueError('Dimensions must match')\n",
    "        result = Vector(len(self))\n",
    "        for j in range (len(self)):\n",
    "            result[j] = self[j] - other[j]\n",
    "        return result\n",
    "    \n",
    "    \n",
    "v1 = Vector(5)\n",
    "v2 = Vector (5)\n",
    "for i in range(5):\n",
    "    v1[i] = 5\n",
    "    v2[i] = i\n",
    "    \n",
    "print (v1+v2)\n",
    "print (v1-v2)\n",
    "print (v2-v1)\n",
    "    "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 10,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<5, 6, 7, 8, 9>\n",
      "<5, 4, 3, 2, 1>\n",
      "<-5, -4, -3, -2, -1>\n",
      "<-5, -5, -5, -5, -5> <5, 5, 5, 5, 5>\n"
     ]
    }
   ],
   "source": [
    "#-------------R2-10--------------\n",
    "class VectorwNeg(Vector):\n",
    "    def __neg__(self):\n",
    "        result = Vector(len(self))\n",
    "        for i in range(len(self)):\n",
    "            result[i] = -self[i]\n",
    "        return result\n",
    "            \n",
    "            \n",
    "            \n",
    "vv = VectorwNeg    #Use this so that I can easily change the class for subsequent exercises\n",
    "    \n",
    "v1 = vv(5)\n",
    "v2 = vv(5)\n",
    "for i in range(5):\n",
    "    v1[i] = 5\n",
    "    v2[i] = i\n",
    "    \n",
    "print (v1+v2)\n",
    "print (v1-v2)\n",
    "print (v2-v1)      \n",
    "print (-v1, v1)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 11,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'\\nIf the method list.add fails, the method in Vector.radd will be checked instead.\\nAdding a def __radd__(self, other): would allow you to solve that problem\\nOne option would be to use an iterator to go through each of the components and add them \\n(since __len__ and __getitem__ should be defined for each class) \\n\\n'"
      ]
     },
     "execution_count": 11,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#--------------R2-11------------------\n",
    "\"\"\"\n",
    "If the method list.add fails, the method in Vector.radd will be checked instead.\n",
    "Adding a def __radd__(self, other): would allow you to solve that problem\n",
    "One option would be to use an iterator to go through each of the components and add them \n",
    "(since __len__ and __getitem__ should be defined for each class) \n",
    "\n",
    "\"\"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 12,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<5, 6, 7, 8, 9>\n",
      "<5, 4, 3, 2, 1>\n",
      "<-5, -4, -3, -2, -1>\n",
      "<-5, -5, -5, -5, -5> <5, 5, 5, 5, 5>\n",
      "<30, 30, 30, 30, 30>\n"
     ]
    }
   ],
   "source": [
    "#----------R2-12-----------------\n",
    "class VectorwMult(VectorwNeg):\n",
    "    def __mul__(self, value):\n",
    "        result = Vector(len(self))\n",
    "        for i in range(len(self)):\n",
    "            result[i] = self[i]*value\n",
    "        return result\n",
    "\n",
    "\n",
    "vv = VectorwMult    \n",
    "    \n",
    "v1 = vv(5)\n",
    "v2 = vv(5)\n",
    "for i in range(5):\n",
    "    v1[i] = 5\n",
    "    v2[i] = i\n",
    "    \n",
    "print (v1+v2)\n",
    "print (v1-v2)\n",
    "print (v2-v1)      \n",
    "print (-v1, v1)\n",
    "print (v1*6)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 13,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<5, 6, 7, 8, 9>\n",
      "<5, 4, 3, 2, 1>\n",
      "<-5, -4, -3, -2, -1>\n",
      "<-5, -5, -5, -5, -5> <5, 5, 5, 5, 5>\n",
      "<30, 30, 30, 30, 30>\n",
      "<35, 35, 35, 35, 35>\n"
     ]
    }
   ],
   "source": [
    "#----------R2-13-------------\n",
    "class VectorwrMult(VectorwMult):\n",
    "    def __rmul__(self, value):\n",
    "        return (self * value)  #Treat it like vector*value instead of value*vector\n",
    "\n",
    "\n",
    "vv = VectorwrMult    \n",
    "    \n",
    "v1 = vv(5)\n",
    "v2 = vv(5)\n",
    "for i in range(5):\n",
    "    v1[i] = 5\n",
    "    v2[i] = i\n",
    "    \n",
    "print (v1+v2)\n",
    "print (v1-v2)\n",
    "print (v2-v1)      \n",
    "print (-v1, v1)\n",
    "print (v1*6)\n",
    "print (7*v1)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 14,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<5, 6, 7, 8, 9>\n",
      "<5, 4, 3, 2, 1>\n",
      "<-5, -4, -3, -2, -1>\n",
      "<-5, -5, -5, -5, -5> <5, 5, 5, 5, 5>\n",
      "<30, 30, 30, 30, 30>\n",
      "<35, 35, 35, 35, 35>\n",
      "5 5\n",
      "50\n",
      "7 5\n",
      "Vector lengths do not match\n",
      "<16.5, 16.5, 16.5, 16.5, 16.5>\n"
     ]
    }
   ],
   "source": [
    "#----------R2-14----------------\n",
    "class VectorwVectorMult(VectorwrMult):\n",
    "    def __mul__(self, other): #Overriding the original definition\n",
    "        if type(other) == int or type(other) == float: \n",
    "            result = Vector(len(self))\n",
    "            for i in range(len(self)):\n",
    "                result[i] = self[i]*other\n",
    "            return result\n",
    "                        \n",
    "        else:\n",
    "            len(other)\n",
    "            print (len(other), len(self))\n",
    "            if len(other) != len(self):\n",
    "                raise ValueError('Vector lengths do not match')\n",
    "            sum = 0\n",
    "            for i in range(len(self)):\n",
    "                sum += self[i]*other[i]\n",
    "            return sum\n",
    "        \n",
    "vv = VectorwVectorMult    \n",
    "    \n",
    "v1 = vv(5)\n",
    "v2 = vv(5)\n",
    "for i in range(5):\n",
    "    v1[i] = 5\n",
    "    v2[i] = i\n",
    "    \n",
    "print (v1+v2)\n",
    "print (v1-v2)\n",
    "print (v2-v1)      \n",
    "print (-v1, v1)\n",
    "print (v1*6)\n",
    "print (7*v1)\n",
    "print (v1*v2)\n",
    "try:\n",
    "    print (v1*vv(7))\n",
    "except Exception as e:\n",
    "    print(e)\n",
    "print (v1*3.3)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 15,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "<5, 6, 7, 8, 9>\n",
      "<5, 4, 3, 2, 1>\n",
      "<-5, -4, -3, -2, -1>\n",
      "<-5, -5, -5, -5, -5> <5, 5, 5, 5, 5>\n",
      "<30, 30, 30, 30, 30>\n",
      "<35, 35, 35, 35, 35>\n",
      "5 5\n",
      "50\n",
      "7 5\n",
      "Vector lengths do not match\n",
      "<16.5, 16.5, 16.5, 16.5, 16.5>\n",
      "<1, 2, 3> <0, 0, 0>\n"
     ]
    }
   ],
   "source": [
    "#--------R2-15----------------\n",
    "class VectorwListInit(VectorwVectorMult):\n",
    "    def __init__(self, param):  #Override the original constructor\n",
    "        if isinstance(param, int):\n",
    "            super().__init__(param)\n",
    "        else:\n",
    "            self._coords = param\n",
    "            \n",
    "     \n",
    "\n",
    "vv = VectorwListInit    \n",
    "    \n",
    "v1 = vv(5)\n",
    "v2 = vv(5)\n",
    "for i in range(5):\n",
    "    v1[i] = 5\n",
    "    v2[i] = i\n",
    "    \n",
    "print (v1+v2)\n",
    "print (v1-v2)\n",
    "print (v2-v1)      \n",
    "print (-v1, v1)\n",
    "print (v1*6)\n",
    "print (7*v1)\n",
    "print (v1*v2)\n",
    "try:\n",
    "    print (v1*vv(7))\n",
    "except Exception as e:\n",
    "    print(e)\n",
    "print (v1*3.3)\n",
    "print (vv([1,2,3]), vv(3))"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 16,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'\\nex. (0,10,1) -> max(0, 5)\\nex. (0, 11, 1) -> max(0, (11//2)) -> (0, 5)\\nex. (0, 1, 2) -> max(0, (2//2)) -> max(0,1)\\nex. (0,0,1) -> max(0, 0) -> max(0, 0)\\nex. (0, 1, -2) -> max(0, (-2//2)) -> max(0, -1)\\n\\nThe max(0, ...) is to account for cases where the step size means that\\n the stop value is actually \"further away\" from the start value\\n \\nAdding the (+ step -1) ensures that you include a step that has less than a full step size between itself and the stop value\\nex (the 6 in range(0, 7)).  The -1 prevents it from adding an extra number to the iterator\\n \\n\\n'"
      ]
     },
     "execution_count": 16,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#------------R2-16-----------\n",
    "\"\"\"\n",
    "ex. (0,10,1) -> max(0, 5)\n",
    "ex. (0, 11, 1) -> max(0, (11//2)) -> (0, 5)\n",
    "ex. (0, 1, 2) -> max(0, (2//2)) -> max(0,1)\n",
    "ex. (0,0,1) -> max(0, 0) -> max(0, 0)\n",
    "ex. (0, 1, -2) -> max(0, (-2//2)) -> max(0, -1)\n",
    "\n",
    "The max(0, ...) is to account for cases where the step size means that\n",
    " the stop value is actually \"further away\" from the start value\n",
    " \n",
    "Adding the (+ step -1) ensures that you include a step that has less than a full step size between itself and the stop value\n",
    "ex (the 6 in range(0, 7)).  The -1 prevents it from adding an extra number to the iterator\n",
    " \n",
    "\n",
    "\"\"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 17,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'\\n               Object\\n           /      |            Horse    Goat    Pig\\n    /         Racer   Equestrian\\n \\n \\n \\n example Class Diagrma\\n|-------------------------|\\n|Class: Horse             |\\n|-------------------------|\\n| Fields:                 |\\n| _height                 |\\n| _color                  |\\n|-------------------------|\\n| Behaviours:             |\\n| run()                   |\\n| jump()                  |\\n|-------------------------|\\n\\n'"
      ]
     },
     "execution_count": 17,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#------------R2-17---------------------\n",
    "\"\"\"\n",
    "               Object\n",
    "           /      |     \\\n",
    "       Horse    Goat    Pig\n",
    "    /        \\\n",
    " Racer   Equestrian\n",
    " \n",
    " \n",
    " \n",
    " example Class Diagrma\n",
    "|-------------------------|\n",
    "|Class: Horse             |\n",
    "|-------------------------|\n",
    "| Fields:                 |\n",
    "| _height                 |\n",
    "| _color                  |\n",
    "|-------------------------|\n",
    "| Behaviours:             |\n",
    "| run()                   |\n",
    "| jump()                  |\n",
    "|-------------------------|\n",
    "\n",
    "\"\"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 18,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "0 1 2 3 4 5 6 7 8 9\n",
      "Value Number 1 is 2\n",
      "Value Number 2 is 2\n",
      "Value Number 3 is 4\n",
      "Value Number 4 is 6\n",
      "Value Number 5 is 10\n",
      "Value Number 6 is 16\n",
      "Value Number 7 is 26\n",
      "Value Number 8 is 42\n",
      "2 2 4 6 10 16 26 42\n"
     ]
    }
   ],
   "source": [
    "#-------------R2-18------------\n",
    "class Progression():\n",
    "    def __init__(self, start=0):\n",
    "        self._current = 0\n",
    "    def _advance(self):\n",
    "        self._current += 1\n",
    "    def __next__(self):\n",
    "        if self._current is None:\n",
    "            raise StopIteration()\n",
    "        else:\n",
    "            answer = self._current\n",
    "            self._advance()\n",
    "            return answer\n",
    "    def __iter__(self):\n",
    "        return self\n",
    "    def print_progression(self, n):\n",
    "        print (' '.join(str(next(self)) for j in range(n)))\n",
    "        \n",
    "        \n",
    "class Fibonacci(Progression):\n",
    "    def __init__(self, first = 0, second = 1):\n",
    "        self._current = first \n",
    "        self._previous = second - first\n",
    "        \n",
    "    def __next__(self):\n",
    "        answer = self._current\n",
    "        self._current, self._previous = self._current+self._previous, self._current\n",
    "        return answer\n",
    "    \n",
    "    def __getitem__(self, item):  #Note, not check against negative numbers\n",
    "        current = self._current\n",
    "        previous = self._previous\n",
    "        \n",
    "        for i in range(item+1):\n",
    "            answer = next(self)\n",
    "        \n",
    "        self._current, self._previous = current, previous #Restore the original values\n",
    "        return answer\n",
    "        \n",
    "        \n",
    "        \n",
    "p = Progression()\n",
    "p.print_progression(10)\n",
    "\n",
    "f = Fibonacci(2,2)\n",
    "for i in range (8):\n",
    "    print (f'Value Number {i+1} is {f[i]}')\n",
    "f.print_progression(8)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 19,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "0 1 2 3 4 5 6 7 8 9\n",
      "Value Number 1 is 1\n",
      "Value Number 2 is 2\n",
      "Value Number 3 is 3\n",
      "Value Number 4 is 4\n",
      "Value Number 5 is 5\n",
      "Value Number 6 is 6\n",
      "Value Number 7 is 7\n",
      "Value Number 8 is 8\n",
      "1 2 3 4 5 6 7 8\n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "\"\\nb = ArithmeticProgression(0, 128)\\ni = 0\\ngoal = 2**63\\nvalue = 0\\nwhile value < goal:\\n    i+=1\\n    value = next(b)\\nprint (f'It requires {i-1} iterations to get to 2**63')\\n\""
      ]
     },
     "execution_count": 19,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#------------R2-19----------------\n",
    "#Note, this answer relies on the Progression class from R2-18\n",
    "\n",
    "class ArithmeticProgression(Progression):\n",
    "    def __init__(self, start=0, step = 1):\n",
    "        self._current = start\n",
    "        self._step = step\n",
    "        \n",
    "    def __next__(self):\n",
    "        answer = self._current\n",
    "        self._current = self._current + self._step\n",
    "        return answer\n",
    "    \n",
    "    def __getitem__(self, index):\n",
    "        current = self._current\n",
    "        for i in range(index + 1):\n",
    "            answer = next(self)\n",
    "        self._current = current\n",
    "        return (answer)\n",
    "    \n",
    "    \n",
    "p = Progression()\n",
    "p.print_progression(10)\n",
    "\n",
    "a = ArithmeticProgression(1,1)\n",
    "for i in range (8):\n",
    "    print (f'Value Number {i+1} is {a[i]}')\n",
    "a.print_progression(8)\n",
    "\n",
    "#Note, the code below would take too long to run.  The answer is 2**63//128, which is 7.2e16 calls\n",
    "\"\"\"\n",
    "b = ArithmeticProgression(0, 128)\n",
    "i = 0\n",
    "goal = 2**63\n",
    "value = 0\n",
    "while value < goal:\n",
    "    i+=1\n",
    "    value = next(b)\n",
    "print (f'It requires {i-1} iterations to get to 2**63')\n",
    "\"\"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 20,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "\"\\nIf behaviour changes in A without D knowing (ex. different teams or people working on it), \\nit can be very difficult to troubleshoot the problems\\n\\n\\nYou also have a larger chance of namespace conflicts that you aren't aware of \\n(ex. C overrides a function from B that you don't know about)\\n\""
      ]
     },
     "execution_count": 20,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#----------R2-20------------------\n",
    "\"\"\"\n",
    "If behaviour changes in A without D knowing (ex. different teams or people working on it), \n",
    "it can be very difficult to troubleshoot the problems\n",
    "\n",
    "\n",
    "You also have a larger chance of namespace conflicts that you aren't aware of \n",
    "(ex. C overrides a function from B that you don't know about)\n",
    "\"\"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 21,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'\\nIf any of the classes change, it will mess up the entire Z subclass\\n\\nNamespace conflicts are probable more difficult to resolve??  Not sure about that one\\n\\n'"
      ]
     },
     "execution_count": 21,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#-----------R2-21--------------\n",
    "\"\"\"\n",
    "If any of the classes change, it will mess up the entire Z subclass\n",
    "\n",
    "Namespace conflicts are probable more difficult to resolve??  Not sure about that one\n",
    "\n",
    "\"\"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 22,
   "metadata": {},
   "outputs": [],
   "source": [
    "#-----------R2-22------------\n",
    "from abc import ABCMeta, abstractmethod\n",
    "\n",
    "\n",
    "class Sequence(metaclass = ABCMeta):\n",
    "    @abstractmethod\n",
    "    def __len__(self):\n",
    "        pass\n",
    "        \n",
    "    @abstractmethod\n",
    "    def __getitem__(self, index):\n",
    "        pass\n",
    "        \n",
    "    def __contains__(self, val):\n",
    "        for i in range(len(self)):\n",
    "            if self[j] == val: return True\n",
    "        return False #if it wasn't found\n",
    "    \n",
    "    def count(self, val):\n",
    "        k = 0\n",
    "        for j in range(len(self)):\n",
    "            if self[j] == val: k+=1\n",
    "        return k\n",
    "    \n",
    "    def __eq__(self, other):\n",
    "        #Note, assume that they have to be equal and have the same number of elements (a little ambiguous in the question)\n",
    "        #otherwise, the range would be min(len(self), len(other))\n",
    "        if len(self) != len (other):\n",
    "            return False\n",
    "        else:\n",
    "            for i in range(len(self)):\n",
    "                if self[i] != other[i]:\n",
    "                    return False\n",
    "            return True  #If you made it through, all the elements are the same\n",
    "    \n",
    "    \n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 23,
   "metadata": {},
   "outputs": [],
   "source": [
    "#-----------R2-23------------\n",
    "\n",
    "class Sequence(metaclass = ABCMeta):\n",
    "    @abstractmethod\n",
    "    def __len__(self):\n",
    "        pass\n",
    "        \n",
    "    @abstractmethod\n",
    "    def __getitem__(self, index):\n",
    "        pass\n",
    "        \n",
    "    def __contains__(self, val):\n",
    "        for i in range(len(self)):\n",
    "            if self[j] == val: return True\n",
    "        return False #if it wasn't found\n",
    "    \n",
    "    def count(self, val):\n",
    "        k = 0\n",
    "        for j in range(len(self)):\n",
    "            if self[j] == val: k+=1\n",
    "        return k\n",
    "    \n",
    "    def __lt__(self, other):\n",
    "        for i in range(min(len(self), len(other))):\n",
    "            if self[i] != other[i]: return False\n",
    "        return True\n",
    "        "
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Creativity"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 24,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'\\nMethods:\\npurchase_books()\\nview_purchased()\\nread_purchased()\\n\\n\\nClass Hierarchy:\\nE-book Class -> Class for a specific model (Different models may have different features)\\nBook Class (Nested or not)\\n\\n\\n'"
      ]
     },
     "execution_count": 24,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#----------C2-24--------------------\n",
    "\"\"\"\n",
    "Methods:\n",
    "purchase_books()\n",
    "view_purchased()\n",
    "read_purchased()\n",
    "\n",
    "\n",
    "Class Hierarchy:\n",
    "E-book Class -> Class for a specific model (Different models may have different features)\n",
    "Book Class (Nested or not)\n",
    "\n",
    "\n",
    "\"\"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 25,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "' See R2-14 '"
      ]
     },
     "execution_count": 25,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#------------C2-25-----------------\n",
    "\"\"\" See R2-14 \"\"\""
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 26,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "[8, 7, 6, 5, 4, 3, 2, 1]\n",
      "[8, 7, 56, 4, 'd', 2, 1]\n"
     ]
    }
   ],
   "source": [
    "#----------C2-26----------------\n",
    "class SequenceIterator():\n",
    "    def __init__(self, sequence):\n",
    "        self._seq = sequence\n",
    "        self._k = -1\n",
    "        \n",
    "    def __next__(self):\n",
    "        self._k += 1\n",
    "        if self._k <len(self._seq):\n",
    "            return (self._seq[self._k])\n",
    "        else:\n",
    "            raise StopIteration()\n",
    "    \n",
    "    def __iter__(self):\n",
    "        return self\n",
    "    \n",
    "class ReverseSequenceIterator():\n",
    "    def __init__(self, sequence):\n",
    "        self._seq = sequence\n",
    "        self._k = len(sequence)\n",
    "        \n",
    "    def __next__(self):\n",
    "        self._k -= 1\n",
    "        if self._k >=0:\n",
    "            return self._seq[self._k]\n",
    "        else:\n",
    "            raise StopIteration()\n",
    "            \n",
    "    def __iter__(self):\n",
    "        return self\n",
    "    \n",
    "    \n",
    "s = ReverseSequenceIterator([1,2,3,4,5, 6, 7, 8])\n",
    "\n",
    "\n",
    "print([x for x in ReverseSequenceIterator([1,2,3,4,5, 6, 7, 8])])\n",
    "       \n",
    "print([x for x in ReverseSequenceIterator([1,2,'d',4,56, 7, 8])])"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 27,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "50 7 False True\n",
      "102 -3 False False\n"
     ]
    }
   ],
   "source": [
    "#---------------C-27-------------\n",
    "class Range():\n",
    "    def __init__(self, start, stop = None, step = 1):\n",
    "        if step == 0: raise ValueError('step cannot be 0')\n",
    "        if stop is None:    #This is more robust than if stop == None, since it's ambiguous sometimes (ex. custom classes)\n",
    "            start, stop = 0, start\n",
    "            \n",
    "        self._length = max(0, (stop-start + step -1)//step)\n",
    "        \n",
    "        self._start = start\n",
    "        self._step = step\n",
    "        \n",
    "    def __len__(self):\n",
    "        return self._length\n",
    "    \n",
    "    def __getitem__(self, k):\n",
    "        if k<0:\n",
    "            k+= len(self)\n",
    "        if not 0<=k<self._length:\n",
    "            raise IndexError('index out of range')\n",
    "            \n",
    "        return self._start + k*self._step\n",
    "    \n",
    "    def __contains__(self, value):\n",
    "        # The number will be in the sequence if (value - start)% step == 0\n",
    "        factor, remainder = divmod((value-self._start), self._step)\n",
    "        \n",
    "        if remainder == 0:    #It is a part of the infinite range in either directiom\n",
    "            #Now we just need to check if it's within the defined range...\n",
    "            if factor < len(self) and factor >=0: return True\n",
    "            else: return False\n",
    "        else:\n",
    "            return False\n",
    "                \n",
    "            \n",
    "           \n",
    "r = Range(1,100,2)\n",
    "print (len(r), r[3], 4 in r, 5 in r)\n",
    "\n",
    "r = Range(-100, step = -1)\n",
    "print (len(r), r[3], 4 in r, 5 in r)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 28,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Your deposit of 171.0 exceeds your remainder of 166.0\n",
      "Your deposit of 174.0 exceeds your remainder of 161.0\n",
      "Your deposit of 118.0 exceeds your remainder of 30.0\n",
      "Your deposit of 177.0 exceeds your remainder of 156.0\n",
      "Your deposit of 120.0 exceeds your remainder of 25.0\n",
      "Your deposit of 180.0 exceeds your remainder of 151.0\n",
      "Your deposit of 122.0 exceeds your remainder of 20.0\n",
      "Your deposit of 183.0 exceeds your remainder of 146.0\n",
      "Your deposit of 124.0 exceeds your remainder of 15.0\n",
      "Your deposit of 186.0 exceeds your remainder of 141.0\n",
      "Your deposit of 126.0 exceeds your remainder of 10.0\n",
      "Your deposit of 189.0 exceeds your remainder of 136.0\n",
      "Your deposit of 128.0 exceeds your remainder of 5.0\n",
      "Your deposit of 192.0 exceeds your remainder of 131.0\n",
      "Your deposit of 130.0 exceeds your remainder of 0.0\n",
      "Your deposit of 195.0 exceeds your remainder of 126.0\n",
      "Your deposit of 132.0 exceeds your remainder of -5.0\n",
      "Your deposit of 198.0 exceeds your remainder of 121.0\n",
      "Your deposit of 134.0 exceeds your remainder of -10.0\n",
      "Your deposit of 201.0 exceeds your remainder of 116.0\n",
      "Your deposit of 136.0 exceeds your remainder of -15.0\n",
      "Your deposit of 204.0 exceeds your remainder of 111.0\n",
      "Your deposit of 138.0 exceeds your remainder of -20.0\n",
      "Your deposit of 207.0 exceeds your remainder of 106.0\n",
      "Your deposit of 70.0 exceeds your remainder of 26.0\n",
      "Your deposit of 140.0 exceeds your remainder of -25.0\n",
      "Your deposit of 210.0 exceeds your remainder of 101.0\n",
      "Your deposit of 71.0 exceeds your remainder of 21.0\n",
      "Your deposit of 142.0 exceeds your remainder of -30.0\n",
      "Your deposit of 213.0 exceeds your remainder of 96.0\n",
      "Your deposit of 72.0 exceeds your remainder of 16.0\n",
      "Your deposit of 144.0 exceeds your remainder of -35.0\n",
      "Your deposit of 216.0 exceeds your remainder of 91.0\n",
      "Your deposit of 73.0 exceeds your remainder of 11.0\n",
      "Your deposit of 146.0 exceeds your remainder of -40.0\n",
      "Your deposit of 219.0 exceeds your remainder of 86.0\n",
      "Your deposit of 74.0 exceeds your remainder of 6.0\n",
      "Your deposit of 148.0 exceeds your remainder of -45.0\n",
      "Your deposit of 222.0 exceeds your remainder of 81.0\n",
      "Your deposit of 75.0 exceeds your remainder of 1.0\n",
      "Your deposit of 150.0 exceeds your remainder of -50.0\n",
      "Your deposit of 225.0 exceeds your remainder of 76.0\n",
      "Your deposit of 76.0 exceeds your remainder of -4.0\n",
      "Your deposit of 152.0 exceeds your remainder of -55.0\n",
      "Your deposit of 228.0 exceeds your remainder of 71.0\n",
      "Your deposit of 77.0 exceeds your remainder of -9.0\n",
      "Your deposit of 154.0 exceeds your remainder of -60.0\n",
      "Your deposit of 231.0 exceeds your remainder of 66.0\n",
      "Your deposit of 78.0 exceeds your remainder of -14.0\n",
      "Your deposit of 156.0 exceeds your remainder of -65.0\n",
      "Your deposit of 234.0 exceeds your remainder of 61.0\n",
      "Your deposit of 79.0 exceeds your remainder of -19.0\n",
      "Your deposit of 158.0 exceeds your remainder of -70.0\n",
      "Your deposit of 237.0 exceeds your remainder of 56.0\n",
      "Your deposit of 80.0 exceeds your remainder of -24.0\n",
      "Your deposit of 160.0 exceeds your remainder of -75.0\n",
      "Your deposit of 240.0 exceeds your remainder of 51.0\n",
      "Your deposit of 81.0 exceeds your remainder of -29.0\n",
      "Your deposit of 162.0 exceeds your remainder of -80.0\n",
      "Your deposit of 243.0 exceeds your remainder of 46.0\n",
      "Your deposit of 82.0 exceeds your remainder of -34.0\n",
      "Your deposit of 164.0 exceeds your remainder of -85.0\n",
      "Your deposit of 246.0 exceeds your remainder of 41.0\n",
      "Your deposit of 83.0 exceeds your remainder of -39.0\n",
      "Your deposit of 166.0 exceeds your remainder of -90.0\n",
      "Your deposit of 249.0 exceeds your remainder of 36.0\n",
      "Your deposit of 84.0 exceeds your remainder of -44.0\n",
      "Your deposit of 168.0 exceeds your remainder of -95.0\n",
      "Your deposit of 252.0 exceeds your remainder of 31.0\n",
      "Your deposit of 85.0 exceeds your remainder of -49.0\n",
      "Your deposit of 170.0 exceeds your remainder of -100.0\n",
      "Your deposit of 255.0 exceeds your remainder of 26.0\n",
      "Your deposit of 86.0 exceeds your remainder of -54.0\n",
      "Your deposit of 172.0 exceeds your remainder of -105.0\n",
      "Your deposit of 258.0 exceeds your remainder of 21.0\n",
      "Your deposit of 87.0 exceeds your remainder of -59.0\n",
      "Your deposit of 174.0 exceeds your remainder of -110.0\n",
      "Your deposit of 261.0 exceeds your remainder of 16.0\n",
      "Your deposit of 88.0 exceeds your remainder of -64.0\n",
      "Your deposit of 176.0 exceeds your remainder of -115.0\n",
      "Your deposit of 264.0 exceeds your remainder of 11.0\n",
      "Your deposit of 89.0 exceeds your remainder of -69.0\n",
      "Your deposit of 178.0 exceeds your remainder of -120.0\n",
      "Your deposit of 267.0 exceeds your remainder of 6.0\n",
      "Your deposit of 90.0 exceeds your remainder of -74.0\n",
      "Your deposit of 180.0 exceeds your remainder of -125.0\n",
      "Your deposit of 270.0 exceeds your remainder of 1.0\n",
      "Your deposit of 91.0 exceeds your remainder of -79.0\n",
      "Your deposit of 182.0 exceeds your remainder of -130.0\n",
      "Your deposit of 273.0 exceeds your remainder of -4.0\n",
      "Your deposit of 92.0 exceeds your remainder of -84.0\n",
      "Your deposit of 184.0 exceeds your remainder of -135.0\n",
      "Your deposit of 276.0 exceeds your remainder of -9.0\n",
      "Your deposit of 93.0 exceeds your remainder of -89.0\n",
      "Your deposit of 186.0 exceeds your remainder of -140.0\n",
      "Your deposit of 279.0 exceeds your remainder of -14.0\n",
      "Your deposit of 94.0 exceeds your remainder of -94.0\n",
      "Your deposit of 188.0 exceeds your remainder of -145.0\n",
      "Your deposit of 282.0 exceeds your remainder of -19.0\n",
      "Your deposit of 95.0 exceeds your remainder of -99.0\n",
      "Your deposit of 190.0 exceeds your remainder of -150.0\n",
      "Your deposit of 285.0 exceeds your remainder of -24.0\n",
      "Your deposit of 96.0 exceeds your remainder of -104.0\n",
      "Your deposit of 192.0 exceeds your remainder of -155.0\n",
      "Your deposit of 288.0 exceeds your remainder of -29.0\n",
      "Your deposit of 97.0 exceeds your remainder of -109.0\n",
      "Your deposit of 194.0 exceeds your remainder of -160.0\n",
      "Your deposit of 291.0 exceeds your remainder of -34.0\n",
      "Your deposit of 98.0 exceeds your remainder of -114.0\n",
      "Your deposit of 196.0 exceeds your remainder of -165.0\n",
      "Your deposit of 294.0 exceeds your remainder of -39.0\n",
      "Your deposit of 99.0 exceeds your remainder of -119.0\n",
      "Your deposit of 198.0 exceeds your remainder of -170.0\n",
      "Your deposit of 297.0 exceeds your remainder of -44.0\n",
      "Customer =  John Bowman\n",
      "Bank =  California Savings\n",
      "Account =  56 5391 0375 9387 5309\n",
      "Limit =  2500\n",
      "Balance =  2624.0\n",
      "New Balance =  2524.0\n",
      "New Balance =  2424.0\n",
      "New Balance =  2324.0\n",
      "New Balance =  2224.0\n",
      "New Balance =  2124.0\n",
      "New Balance =  2024.0\n",
      "New Balance =  1924.0\n",
      "New Balance =  1824.0\n",
      "New Balance =  1724.0\n",
      "New Balance =  1624.0\n",
      "New Balance =  1524.0\n",
      "New Balance =  1424.0\n",
      "New Balance =  1324.0\n",
      "New Balance =  1224.0\n",
      "New Balance =  1124.0\n",
      "New Balance =  1024.0\n",
      "New Balance =  924.0\n",
      "New Balance =  824.0\n",
      "New Balance =  724.0\n",
      "New Balance =  624.0\n",
      "New Balance =  524.0\n",
      "New Balance =  424.0\n",
      "New Balance =  324.0\n",
      "New Balance =  224.0\n",
      "New Balance =  124.0\n",
      "New Balance =  24.0\n",
      "\n",
      "Customer =  John Bowman\n",
      "Bank =  California Federal\n",
      "Account =  3485 0399 3395 1954\n",
      "Limit =  3500\n",
      "Balance =  3675.0\n",
      "New Balance =  3575.0\n",
      "New Balance =  3475.0\n",
      "New Balance =  3375.0\n",
      "New Balance =  3275.0\n",
      "New Balance =  3175.0\n",
      "New Balance =  3075.0\n",
      "New Balance =  2975.0\n",
      "New Balance =  2875.0\n",
      "New Balance =  2775.0\n",
      "New Balance =  2675.0\n",
      "New Balance =  2575.0\n",
      "New Balance =  2475.0\n",
      "New Balance =  2375.0\n",
      "New Balance =  2275.0\n",
      "New Balance =  2175.0\n",
      "New Balance =  2075.0\n",
      "New Balance =  1975.0\n",
      "New Balance =  1875.0\n",
      "New Balance =  1775.0\n",
      "New Balance =  1675.0\n",
      "New Balance =  1575.0\n",
      "New Balance =  1475.0\n",
      "New Balance =  1375.0\n",
      "New Balance =  1275.0\n",
      "New Balance =  1175.0\n",
      "New Balance =  1075.0\n",
      "New Balance =  975.0\n",
      "New Balance =  875.0\n",
      "New Balance =  775.0\n",
      "New Balance =  675.0\n",
      "New Balance =  575.0\n",
      "New Balance =  475.0\n",
      "New Balance =  375.0\n",
      "New Balance =  275.0\n",
      "New Balance =  175.0\n",
      "New Balance =  75.0\n",
      "\n",
      "Customer =  John Bowman\n",
      "Bank =  California Finance\n",
      "Account =  5391 0375 9387 5309\n",
      "Limit =  5000\n",
      "Balance =  5049.0\n",
      "New Balance =  4949.0\n",
      "New Balance =  4849.0\n",
      "New Balance =  4749.0\n",
      "New Balance =  4649.0\n",
      "New Balance =  4549.0\n",
      "New Balance =  4449.0\n",
      "New Balance =  4349.0\n",
      "New Balance =  4249.0\n",
      "New Balance =  4149.0\n",
      "New Balance =  4049.0\n",
      "New Balance =  3949.0\n",
      "New Balance =  3849.0\n",
      "New Balance =  3749.0\n",
      "New Balance =  3649.0\n",
      "New Balance =  3549.0\n",
      "New Balance =  3449.0\n",
      "New Balance =  3349.0\n",
      "New Balance =  3249.0\n",
      "New Balance =  3149.0\n",
      "New Balance =  3049.0\n",
      "New Balance =  2949.0\n",
      "New Balance =  2849.0\n",
      "New Balance =  2749.0\n",
      "New Balance =  2649.0\n",
      "New Balance =  2549.0\n",
      "New Balance =  2449.0\n",
      "New Balance =  2349.0\n",
      "New Balance =  2249.0\n",
      "New Balance =  2149.0\n",
      "New Balance =  2049.0\n",
      "New Balance =  1949.0\n",
      "New Balance =  1849.0\n",
      "New Balance =  1749.0\n",
      "New Balance =  1649.0\n",
      "New Balance =  1549.0\n",
      "New Balance =  1449.0\n",
      "New Balance =  1349.0\n",
      "New Balance =  1249.0\n",
      "New Balance =  1149.0\n",
      "New Balance =  1049.0\n",
      "New Balance =  949.0\n",
      "New Balance =  849.0\n",
      "New Balance =  749.0\n",
      "New Balance =  649.0\n",
      "New Balance =  549.0\n",
      "New Balance =  449.0\n",
      "New Balance =  349.0\n",
      "New Balance =  249.0\n",
      "New Balance =  149.0\n",
      "New Balance =  49.0\n",
      "\n"
     ]
    }
   ],
   "source": [
    "#-------------C-28--------------\n",
    "#Note, this relies on you running the Credit Card class definition form R2-5 above\n",
    "\n",
    "class PredatoryCreditCard(CreditCard):\n",
    "    MAX_CHARGES = 10\n",
    "    def __init__(self, customer, bank, acnt, limit, apr):\n",
    "        super().__init__(customer, bank, acnt, limit)\n",
    "        self._apr = apr\n",
    "        self._num_charges = 0\n",
    "        \n",
    "        \n",
    "    def charge(self, price):\n",
    "        success = super().charge(price)\n",
    "        if not success:\n",
    "            self._balance += 5\n",
    "        else:\n",
    "            self._num_charges += 1\n",
    "            if self._num_charges > self.MAX_CHARGES:\n",
    "                self._balance+=1\n",
    "            \n",
    "        return success\n",
    "    \n",
    "    def process_month(self):\n",
    "        if self._balance >0:\n",
    "            monthly_factor = pow(1+self._apr, 1/12)\n",
    "            self._balance *= monthly_factor\n",
    "        self._num_charges = 0 #reset the counter at the beginning of each month\n",
    "        \n",
    "\n",
    "            \n",
    "            \n",
    "            \n",
    "wallet = []\n",
    "wallet.append(PredatoryCreditCard('John Bowman' , 'California Savings' ,'56 5391 0375 9387 5309' , 2500, 0.15))\n",
    "wallet.append(PredatoryCreditCard('John Bowman' , 'California Federal' ,'3485 0399 3395 1954' , 3500, 0.15))\n",
    "wallet.append(PredatoryCreditCard('John Bowman' , 'California Finance' ,'5391 0375 9387 5309' , 5000, 0.30))\n",
    "\n",
    "for val in range (1,100):\n",
    "    wallet[0].charge(val)\n",
    "    wallet[1].charge(2*val)\n",
    "    wallet[2].charge(3*val)\n",
    "    \n",
    "for c in range(3):\n",
    "    print ('Customer = ', wallet[c].get_customer())\n",
    "    print ('Bank = ', wallet[c].get_bank())\n",
    "    print('Account = ', wallet[c].get_account())\n",
    "    print ('Limit = ', wallet[c].get_limit())\n",
    "    print('Balance = ', wallet[c].get_balance())\n",
    "    while wallet[c].get_balance()>100:\n",
    "        wallet[c].make_payment(100)\n",
    "        print('New Balance = ', wallet[c].get_balance())\n",
    "    print()\n",
    "            \n",
    "            "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 29,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "303.514475075956 30.3514475075956\n",
      "317.07012193544375 31.707012193544376\n"
     ]
    }
   ],
   "source": [
    "#----------C2-29---------------------\n",
    "class PCCwMonthly(PredatoryCreditCard):\n",
    "    MINIMUM_PCT = 0.1\n",
    "    LATE_FEE = 10\n",
    "    \n",
    "    def __init__(self, customer, bank, acnt, limit, apr):\n",
    "        super().__init__(customer, bank, acnt, limit, apr)\n",
    "        self._minimum_payment = 0\n",
    "       \n",
    "    def process_month(self):\n",
    "        super().process_month()\n",
    "        if self._minimum_payment >0:\n",
    "            self._balance += self.LATE_FEE\n",
    "        if self._balance >0:\n",
    "            self._minimum_payment = self._balance * self.MINIMUM_PCT\n",
    "            \n",
    "    def make_payment(self, value):\n",
    "        if super().make_payment(value):\n",
    "            self._minimum_payment = max (0, self._minimum_payment - value)\n",
    "            \n",
    "            \n",
    "\n",
    "cc1 = PCCwMonthly('John Bowman' , 'California Savings' ,'56 5391 0375 9387 5309' , 2500, 0.15)\n",
    "\n",
    "\n",
    "cc1.charge(100)\n",
    "cc1.charge(200)\n",
    "cc1.process_month()\n",
    "print(cc1.get_balance(), cc1._minimum_payment)\n",
    "\n",
    "cc1.process_month()\n",
    "print(cc1.get_balance(), cc1._minimum_payment)"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 30,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Your deposit of 171.0 exceeds your remainder of 166.0\n",
      "Your deposit of 174.0 exceeds your remainder of 161.0\n",
      "Your deposit of 118.0 exceeds your remainder of 30.0\n",
      "Your deposit of 177.0 exceeds your remainder of 156.0\n",
      "Your deposit of 120.0 exceeds your remainder of 25.0\n",
      "Your deposit of 180.0 exceeds your remainder of 151.0\n",
      "Your deposit of 122.0 exceeds your remainder of 20.0\n",
      "Your deposit of 183.0 exceeds your remainder of 146.0\n",
      "Your deposit of 124.0 exceeds your remainder of 15.0\n",
      "Your deposit of 186.0 exceeds your remainder of 141.0\n",
      "Your deposit of 126.0 exceeds your remainder of 10.0\n",
      "Your deposit of 189.0 exceeds your remainder of 136.0\n",
      "Your deposit of 128.0 exceeds your remainder of 5.0\n",
      "Your deposit of 192.0 exceeds your remainder of 131.0\n",
      "Your deposit of 130.0 exceeds your remainder of 0.0\n",
      "Your deposit of 195.0 exceeds your remainder of 126.0\n",
      "Your deposit of 132.0 exceeds your remainder of -5.0\n",
      "Your deposit of 198.0 exceeds your remainder of 121.0\n",
      "Your deposit of 134.0 exceeds your remainder of -10.0\n",
      "Your deposit of 201.0 exceeds your remainder of 116.0\n",
      "Your deposit of 136.0 exceeds your remainder of -15.0\n",
      "Your deposit of 204.0 exceeds your remainder of 111.0\n",
      "Your deposit of 138.0 exceeds your remainder of -20.0\n",
      "Your deposit of 207.0 exceeds your remainder of 106.0\n",
      "Your deposit of 70.0 exceeds your remainder of 26.0\n",
      "Your deposit of 140.0 exceeds your remainder of -25.0\n",
      "Your deposit of 210.0 exceeds your remainder of 101.0\n",
      "Your deposit of 71.0 exceeds your remainder of 21.0\n",
      "Your deposit of 142.0 exceeds your remainder of -30.0\n",
      "Your deposit of 213.0 exceeds your remainder of 96.0\n",
      "Your deposit of 72.0 exceeds your remainder of 16.0\n",
      "Your deposit of 144.0 exceeds your remainder of -35.0\n",
      "Your deposit of 216.0 exceeds your remainder of 91.0\n",
      "Your deposit of 73.0 exceeds your remainder of 11.0\n",
      "Your deposit of 146.0 exceeds your remainder of -40.0\n",
      "Your deposit of 219.0 exceeds your remainder of 86.0\n",
      "Your deposit of 74.0 exceeds your remainder of 6.0\n",
      "Your deposit of 148.0 exceeds your remainder of -45.0\n",
      "Your deposit of 222.0 exceeds your remainder of 81.0\n",
      "Your deposit of 75.0 exceeds your remainder of 1.0\n",
      "Your deposit of 150.0 exceeds your remainder of -50.0\n",
      "Your deposit of 225.0 exceeds your remainder of 76.0\n",
      "Your deposit of 76.0 exceeds your remainder of -4.0\n",
      "Your deposit of 152.0 exceeds your remainder of -55.0\n",
      "Your deposit of 228.0 exceeds your remainder of 71.0\n",
      "Your deposit of 77.0 exceeds your remainder of -9.0\n",
      "Your deposit of 154.0 exceeds your remainder of -60.0\n",
      "Your deposit of 231.0 exceeds your remainder of 66.0\n",
      "Your deposit of 78.0 exceeds your remainder of -14.0\n",
      "Your deposit of 156.0 exceeds your remainder of -65.0\n",
      "Your deposit of 234.0 exceeds your remainder of 61.0\n",
      "Your deposit of 79.0 exceeds your remainder of -19.0\n",
      "Your deposit of 158.0 exceeds your remainder of -70.0\n",
      "Your deposit of 237.0 exceeds your remainder of 56.0\n",
      "Your deposit of 80.0 exceeds your remainder of -24.0\n",
      "Your deposit of 160.0 exceeds your remainder of -75.0\n",
      "Your deposit of 240.0 exceeds your remainder of 51.0\n",
      "Your deposit of 81.0 exceeds your remainder of -29.0\n",
      "Your deposit of 162.0 exceeds your remainder of -80.0\n",
      "Your deposit of 243.0 exceeds your remainder of 46.0\n",
      "Your deposit of 82.0 exceeds your remainder of -34.0\n",
      "Your deposit of 164.0 exceeds your remainder of -85.0\n",
      "Your deposit of 246.0 exceeds your remainder of 41.0\n",
      "Your deposit of 83.0 exceeds your remainder of -39.0\n",
      "Your deposit of 166.0 exceeds your remainder of -90.0\n",
      "Your deposit of 249.0 exceeds your remainder of 36.0\n",
      "Your deposit of 84.0 exceeds your remainder of -44.0\n",
      "Your deposit of 168.0 exceeds your remainder of -95.0\n",
      "Your deposit of 252.0 exceeds your remainder of 31.0\n",
      "Your deposit of 85.0 exceeds your remainder of -49.0\n",
      "Your deposit of 170.0 exceeds your remainder of -100.0\n",
      "Your deposit of 255.0 exceeds your remainder of 26.0\n",
      "Your deposit of 86.0 exceeds your remainder of -54.0\n",
      "Your deposit of 172.0 exceeds your remainder of -105.0\n",
      "Your deposit of 258.0 exceeds your remainder of 21.0\n",
      "Your deposit of 87.0 exceeds your remainder of -59.0\n",
      "Your deposit of 174.0 exceeds your remainder of -110.0\n",
      "Your deposit of 261.0 exceeds your remainder of 16.0\n",
      "Your deposit of 88.0 exceeds your remainder of -64.0\n",
      "Your deposit of 176.0 exceeds your remainder of -115.0\n",
      "Your deposit of 264.0 exceeds your remainder of 11.0\n",
      "Your deposit of 89.0 exceeds your remainder of -69.0\n",
      "Your deposit of 178.0 exceeds your remainder of -120.0\n",
      "Your deposit of 267.0 exceeds your remainder of 6.0\n",
      "Your deposit of 90.0 exceeds your remainder of -74.0\n",
      "Your deposit of 180.0 exceeds your remainder of -125.0\n",
      "Your deposit of 270.0 exceeds your remainder of 1.0\n",
      "Your deposit of 91.0 exceeds your remainder of -79.0\n",
      "Your deposit of 182.0 exceeds your remainder of -130.0\n",
      "Your deposit of 273.0 exceeds your remainder of -4.0\n",
      "Your deposit of 92.0 exceeds your remainder of -84.0\n",
      "Your deposit of 184.0 exceeds your remainder of -135.0\n",
      "Your deposit of 276.0 exceeds your remainder of -9.0\n",
      "Your deposit of 93.0 exceeds your remainder of -89.0\n",
      "Your deposit of 186.0 exceeds your remainder of -140.0\n",
      "Your deposit of 279.0 exceeds your remainder of -14.0\n",
      "Your deposit of 94.0 exceeds your remainder of -94.0\n",
      "Your deposit of 188.0 exceeds your remainder of -145.0\n",
      "Your deposit of 282.0 exceeds your remainder of -19.0\n",
      "Your deposit of 95.0 exceeds your remainder of -99.0\n",
      "Your deposit of 190.0 exceeds your remainder of -150.0\n",
      "Your deposit of 285.0 exceeds your remainder of -24.0\n",
      "Your deposit of 96.0 exceeds your remainder of -104.0\n",
      "Your deposit of 192.0 exceeds your remainder of -155.0\n",
      "Your deposit of 288.0 exceeds your remainder of -29.0\n",
      "Your deposit of 97.0 exceeds your remainder of -109.0\n",
      "Your deposit of 194.0 exceeds your remainder of -160.0\n",
      "Your deposit of 291.0 exceeds your remainder of -34.0\n",
      "Your deposit of 98.0 exceeds your remainder of -114.0\n",
      "Your deposit of 196.0 exceeds your remainder of -165.0\n",
      "Your deposit of 294.0 exceeds your remainder of -39.0\n",
      "Your deposit of 99.0 exceeds your remainder of -119.0\n",
      "Your deposit of 198.0 exceeds your remainder of -170.0\n",
      "Your deposit of 297.0 exceeds your remainder of -44.0\n",
      "Customer =  John Bowman\n",
      "Bank =  California Savings\n",
      "Account =  56 5391 0375 9387 5309\n",
      "Limit =  2500\n",
      "Balance =  2624.0\n",
      "New Balance =  2524.0\n",
      "New Balance =  2424.0\n",
      "New Balance =  2324.0\n",
      "New Balance =  2224.0\n",
      "New Balance =  2124.0\n",
      "New Balance =  2024.0\n",
      "New Balance =  1924.0\n",
      "New Balance =  1824.0\n",
      "New Balance =  1724.0\n",
      "New Balance =  1624.0\n",
      "New Balance =  1524.0\n",
      "New Balance =  1424.0\n",
      "New Balance =  1324.0\n",
      "New Balance =  1224.0\n",
      "New Balance =  1124.0\n",
      "New Balance =  1024.0\n",
      "New Balance =  924.0\n",
      "New Balance =  824.0\n",
      "New Balance =  724.0\n",
      "New Balance =  624.0\n",
      "New Balance =  524.0\n",
      "New Balance =  424.0\n",
      "New Balance =  324.0\n",
      "New Balance =  224.0\n",
      "New Balance =  124.0\n",
      "New Balance =  24.0\n",
      "\n",
      "Customer =  John Bowman\n",
      "Bank =  California Federal\n",
      "Account =  3485 0399 3395 1954\n",
      "Limit =  3500\n",
      "Balance =  3675.0\n",
      "New Balance =  3575.0\n",
      "New Balance =  3475.0\n",
      "New Balance =  3375.0\n",
      "New Balance =  3275.0\n",
      "New Balance =  3175.0\n",
      "New Balance =  3075.0\n",
      "New Balance =  2975.0\n",
      "New Balance =  2875.0\n",
      "New Balance =  2775.0\n",
      "New Balance =  2675.0\n",
      "New Balance =  2575.0\n",
      "New Balance =  2475.0\n",
      "New Balance =  2375.0\n",
      "New Balance =  2275.0\n",
      "New Balance =  2175.0\n",
      "New Balance =  2075.0\n",
      "New Balance =  1975.0\n",
      "New Balance =  1875.0\n",
      "New Balance =  1775.0\n",
      "New Balance =  1675.0\n",
      "New Balance =  1575.0\n",
      "New Balance =  1475.0\n",
      "New Balance =  1375.0\n",
      "New Balance =  1275.0\n",
      "New Balance =  1175.0\n",
      "New Balance =  1075.0\n",
      "New Balance =  975.0\n",
      "New Balance =  875.0\n",
      "New Balance =  775.0\n",
      "New Balance =  675.0\n",
      "New Balance =  575.0\n",
      "New Balance =  475.0\n",
      "New Balance =  375.0\n",
      "New Balance =  275.0\n",
      "New Balance =  175.0\n",
      "New Balance =  75.0\n",
      "\n",
      "Customer =  John Bowman\n",
      "Bank =  California Finance\n",
      "Account =  5391 0375 9387 5309\n",
      "Limit =  5000\n",
      "Balance =  5049.0\n",
      "New Balance =  4949.0\n",
      "New Balance =  4849.0\n",
      "New Balance =  4749.0\n",
      "New Balance =  4649.0\n",
      "New Balance =  4549.0\n",
      "New Balance =  4449.0\n",
      "New Balance =  4349.0\n",
      "New Balance =  4249.0\n",
      "New Balance =  4149.0\n",
      "New Balance =  4049.0\n",
      "New Balance =  3949.0\n",
      "New Balance =  3849.0\n",
      "New Balance =  3749.0\n",
      "New Balance =  3649.0\n",
      "New Balance =  3549.0\n",
      "New Balance =  3449.0\n",
      "New Balance =  3349.0\n",
      "New Balance =  3249.0\n",
      "New Balance =  3149.0\n",
      "New Balance =  3049.0\n",
      "New Balance =  2949.0\n",
      "New Balance =  2849.0\n",
      "New Balance =  2749.0\n",
      "New Balance =  2649.0\n",
      "New Balance =  2549.0\n",
      "New Balance =  2449.0\n",
      "New Balance =  2349.0\n",
      "New Balance =  2249.0\n",
      "New Balance =  2149.0\n",
      "New Balance =  2049.0\n",
      "New Balance =  1949.0\n",
      "New Balance =  1849.0\n",
      "New Balance =  1749.0\n",
      "New Balance =  1649.0\n",
      "New Balance =  1549.0\n",
      "New Balance =  1449.0\n",
      "New Balance =  1349.0\n",
      "New Balance =  1249.0\n",
      "New Balance =  1149.0\n",
      "New Balance =  1049.0\n",
      "New Balance =  949.0\n",
      "New Balance =  849.0\n",
      "New Balance =  749.0\n",
      "New Balance =  649.0\n",
      "New Balance =  549.0\n",
      "New Balance =  449.0\n",
      "New Balance =  349.0\n",
      "New Balance =  249.0\n",
      "New Balance =  149.0\n",
      "New Balance =  49.0\n",
      "\n"
     ]
    }
   ],
   "source": [
    "#---------C2-30----------------------\n",
    "class PredatoryCreditCard2(CreditCard):\n",
    "    MAX_CHARGES = 10\n",
    "    def __init__(self, customer, bank, acnt, limit, apr):\n",
    "        super().__init__(customer, bank, acnt, limit)\n",
    "        self._apr = apr\n",
    "        self._num_charges = 0\n",
    "        \n",
    "        \n",
    "    def charge(self, price):\n",
    "        success = super().charge(price)\n",
    "        if not success:\n",
    "            super().set_balance(super().get_balance() + 5)\n",
    "        else:\n",
    "            self._num_charges += 1\n",
    "            if self._num_charges > self.MAX_CHARGES:\n",
    "                super().set_balance(super().get_balance() + 1)\n",
    "            \n",
    "        return success\n",
    "    \n",
    "    def process_month(self):\n",
    "        if self._balance >0:\n",
    "            monthly_factor = pow(1+self._apr, 1/12)\n",
    "            super().set_balance(super().get_balance() * monthly_factor)\n",
    "        self._num_charges = 0 #reset the counter at the beginning of each month\n",
    "        \n",
    "        \n",
    "wallet = []\n",
    "wallet.append(PredatoryCreditCard('John Bowman' , 'California Savings' ,'56 5391 0375 9387 5309' , 2500, 0.15))\n",
    "wallet.append(PredatoryCreditCard('John Bowman' , 'California Federal' ,'3485 0399 3395 1954' , 3500, 0.15))\n",
    "wallet.append(PredatoryCreditCard('John Bowman' , 'California Finance' ,'5391 0375 9387 5309' , 5000, 0.30))\n",
    "\n",
    "for val in range (1,100):\n",
    "    wallet[0].charge(val)\n",
    "    wallet[1].charge(2*val)\n",
    "    wallet[2].charge(3*val)\n",
    "    \n",
    "for c in range(3):\n",
    "    print ('Customer = ', wallet[c].get_customer())\n",
    "    print ('Bank = ', wallet[c].get_bank())\n",
    "    print('Account = ', wallet[c].get_account())\n",
    "    print ('Limit = ', wallet[c].get_limit())\n",
    "    print('Balance = ', wallet[c].get_balance())\n",
    "    while wallet[c].get_balance()>100:\n",
    "        wallet[c].make_payment(100)\n",
    "        print('New Balance = ', wallet[c].get_balance())\n",
    "    print()\n",
    "    "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 31,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "0 1 2 3 4 5 6 7 8 9\n",
      "2 200 198 2 196 194 2 192\n"
     ]
    }
   ],
   "source": [
    "#----------C-31----------------\n",
    "class AbsoluteDiffProgression(Progression):\n",
    "    def __init__(self, first=2, second=200):\n",
    "        self._current = first\n",
    "        self._prev = 202\n",
    "    \n",
    "    def __next__(self):\n",
    "        answer = self._current\n",
    "        self._current, self._prev = abs(self._current-self._prev), self._current\n",
    "        return answer\n",
    "        \n",
    "        \n",
    "        \n",
    "        \n",
    "        \n",
    "p = Progression()\n",
    "p.print_progression(10)\n",
    "\n",
    "f = AbsoluteDiffProgression()\n",
    "#for i in range (8):\n",
    "#    print (f'Value Number {i+1} is {f[i]}')\n",
    "f.print_progression(8)\n"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 32,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "0 1 2 3 4 5 6 7 8 9\n",
      "Value Number 1 is 65536.0\n",
      "Value Number 2 is 256.0\n",
      "Value Number 3 is 16.0\n",
      "Value Number 4 is 4.0\n",
      "Value Number 5 is 2.0\n",
      "Value Number 6 is 1.4142135623730951\n",
      "Value Number 7 is 1.189207115002721\n",
      "Value Number 8 is 1.0905077326652577\n",
      "65536 256.0 16.0 4.0 2.0 1.4142135623730951 1.189207115002721 1.0905077326652577\n"
     ]
    }
   ],
   "source": [
    "#-----------C-32------------\n",
    "class SQRTProgression(Progression):\n",
    "    def __init__(self, start = 65536):\n",
    "        self._current = start\n",
    "        \n",
    "    def __next__(self):\n",
    "        answer = self._current\n",
    "        self._current = self._current **0.5\n",
    "        return answer\n",
    "    \n",
    "    def __getitem__(self, index):\n",
    "        return (self._current**(1/(2**index)))\n",
    "    \n",
    "\n",
    "p = Progression()\n",
    "p.print_progression(10)\n",
    "\n",
    "f = SQRTProgression()\n",
    "for i in range (8):\n",
    "    print (f'Value Number {i+1} is {f[i]}')\n",
    "f.print_progression(8)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "## Projects"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 33,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "0x^0 1x^1 2x^2 3x^3 4x^4 5x^5 6x^6 7x^7 8x^8 9x^9 \n"
     ]
    },
    {
     "data": {
      "text/plain": [
       "1x^0 4x^1 9x^2 16x^3 25x^4 36x^5 49x^6 64x^7 81x^8 "
      ]
     },
     "execution_count": 33,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "#------------P2-33----------------\n",
    "class Polynomial():\n",
    "    def __init__(self, length = 3):\n",
    "        self._coords = [0]*length\n",
    "        \n",
    "    def __len__(self):\n",
    "        return len(self._coords)\n",
    "        \n",
    "    def __getitem__(self, index):\n",
    "        if index >= len(self): raise IndexError('Index out of range')\n",
    "        \n",
    "        return self._coords[index]\n",
    "    \n",
    "    def __repr__(self):\n",
    "        output_string = []\n",
    "        for i in range(len(self)):\n",
    "            output_string.append(f'{self[i]}x^{i} ')\n",
    "        return ''.join(output_string)\n",
    "    \n",
    "    def __setitem__(self, index, value):\n",
    "        try:\n",
    "            self._coords[index] = value\n",
    "        except Exception as e:\n",
    "            print (e)\n",
    "            \n",
    "    def derivative(self):\n",
    "        result = Polynomial(len(self)-1)\n",
    "        for i in range(1, len(self)):\n",
    "            result[i-1] = self[i]*i\n",
    "        return result\n",
    "        \n",
    "p = Polynomial(10)\n",
    "for i in range(len(p)):\n",
    "    p[i] = i\n",
    "print(p)\n",
    "\n",
    "p.derivative()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 35,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "a XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\n",
      "b XXXXXXXXXX\n",
      "c XXXXXXXXXXXXXXXXX\n",
      "d XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\n",
      "e XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\n",
      "f XXXXXXXXXXXXXX\n",
      "g XXXXXXXXXXXXXXXXXX\n",
      "h XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\n",
      "i XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\n",
      "j X\n",
      "k XXXXXXXX\n",
      "l XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\n",
      "m XXXXXXXXXXXXXXX\n",
      "n XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\n",
      "o XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\n",
      "p XXXXXXXXXXX\n",
      "q X\n",
      "r XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\n",
      "s XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\n",
      "t XXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXXX\n",
      "u XXXXXXXXXXXXXXXXXXXXXXXXX\n",
      "v XXXXXX\n",
      "w XXXXXXXXXXXXXXXXXXX\n",
      "x X\n",
      "y XXXXXXXXXXXXXXXX\n",
      "z \n",
      "Each x represents:  1357900 instances of that character (rounded down)\n"
     ]
    }
   ],
   "source": [
    "#-----------P2-34--------------------\n",
    "class DocumentReader():\n",
    "    \n",
    "    def __init__(self, filepath):\n",
    "        self._filepath = filepath\n",
    "        self._total_characters = 0\n",
    "        self._charcount = self._initialize_array()\n",
    "        \n",
    "        \n",
    "        self._read_document()\n",
    "               \n",
    "        \n",
    "    def _read_document(self):\n",
    "        fp = open(self._filepath)\n",
    "        all_text = fp.read().lower()\n",
    "        for char in all_text:\n",
    "            if self._check_if_character(char):\n",
    "                self._charcount[ord(char)-ord('a')] += 1\n",
    "        self._total_characters = sum(self._charcount)\n",
    "                \n",
    "    def _initialize_array(self):\n",
    "        return [0]*(ord('z')-ord('a')+1)\n",
    "                \n",
    "    \n",
    "    def _check_if_character(self, char):\n",
    "        number = ord(char)\n",
    "        #only need the first one since we .lower() -ed the original text.  It will short-circuit\n",
    "        #most of the time, so the second expression won't even be checked\n",
    "        if (number<=ord('z') and number>= ord('a')) or (number<=ord('Z') and number>= ord('A')):\n",
    "            return True\n",
    "        else:\n",
    "            return False\n",
    "        \n",
    "        \n",
    "    def output_graph(self):\n",
    "        max_value = max(self._charcount)\n",
    "        for i in range(len(self._charcount)):\n",
    "            print (chr(i+ord('a')), 'X'*int(self._charcount[i]/max_value*100))\n",
    "            \n",
    "        print ('Each x represents: ', max_value*100, 'instances of that character (rounded down)')\n",
    "        \n",
    "\n",
    "aiw = DocumentReader(r'SampleFiles/Chapter1 ExampleText2 (Alice in Wonderland).txt')\n",
    "#aiw._charcount, aiw._total_characters\n",
    "aiw.output_graph()"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 36,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Time is 0\n",
      "Time is 1\n",
      "Time is 2\n",
      "Time is 3\n",
      "Time is 4\n",
      "Time is 5\n",
      "Time is 6\n",
      "Created the packet zHtWxN[\n",
      "Bob detected the packet\n",
      "Time is 7\n",
      "Time is 8\n",
      "Created the packet yb[HDaCvO[Hk\n",
      "Bob detected the packet\n",
      "Time is 9\n",
      "Time is 10\n",
      "Time is 11\n",
      "Time is 12\n",
      "Time is 13\n",
      "Created the packet WNKTBnm\n",
      "Bob detected the packet\n",
      "Time is 14\n",
      "Time is 15\n",
      "Time is 16\n",
      "Time is 17\n",
      "Time is 18\n",
      "Time is 19\n",
      "Time is 20\n",
      "Created the packet aji\\Nzu\n",
      "Bob detected the packet\n",
      "Time is 21\n",
      "Time is 22\n",
      "Time is 23\n",
      "Time is 24\n",
      "Time is 25\n",
      "Time is 26\n",
      "Time is 27\n",
      "Created the packet rWLejVe\n",
      "Bob detected the packet\n",
      "Time is 28\n",
      "Time is 29\n",
      "Time is 30\n",
      "Time is 31\n",
      "Created the packet lxiWlyx\n",
      "Bob detected the packet\n",
      "Time is 32\n",
      "Created the packet bRONEGCPpKg_pzl\n",
      "Bob detected the packet\n",
      "Time is 33\n",
      "Created the packet fbFO]Ia\n",
      "Bob detected the packet\n",
      "Time is 34\n",
      "Time is 35\n",
      "Time is 36\n",
      "Time is 37\n",
      "Time is 38\n",
      "Time is 39\n",
      "Time is 40\n",
      "Time is 41\n",
      "Time is 42\n",
      "Created the packet gdJsrpvPSwWlHr\\[\n",
      "Bob detected the packet\n",
      "Time is 43\n",
      "Time is 44\n",
      "Created the packet FYNJrLps\n",
      "Bob detected the packet\n",
      "Time is 45\n",
      "Time is 46\n",
      "Time is 47\n",
      "Time is 48\n",
      "Time is 49\n"
     ]
    }
   ],
   "source": [
    "#------------P2-35--------------------------\n",
    "import random\n",
    "\n",
    "#Unknowns: What happens if you create a new packet without deleting the old one?\n",
    "#Auume it overwrites it\n",
    "\n",
    "\n",
    "class AliceBot():\n",
    "    CHANCE_OF_ACTING = 0.3\n",
    "    def __init__(self):\n",
    "        self._current_packet = None\n",
    "    \n",
    "    def act(self):\n",
    "        if random.random()<=self.CHANCE_OF_ACTING:\n",
    "            self._current_packet = self._create_packet()\n",
    "            return True\n",
    "        else: return False\n",
    "    \n",
    "    def _create_packet(self):\n",
    "        length = random.randint(5,20)\n",
    "        packet = [' ']*length\n",
    "        for i in range(length):\n",
    "            packet[i] = chr(random.randint(ord('A'), ord('z')))\n",
    "        return ''.join(packet)\n",
    "    \n",
    "    def get_packet(self):\n",
    "        return self._current_packet\n",
    "    \n",
    "    def delete_packet(self):\n",
    "        self._current_packet = None\n",
    "\n",
    "\n",
    "\n",
    "class InternetBot():\n",
    "    def __init__(self):\n",
    "        self._new_packet = False\n",
    "        self._Alice = None\n",
    "    \n",
    "    def check_for_packet(self):\n",
    "        if self._Alice.get_packet() is not None:\n",
    "            return True\n",
    "        else:\n",
    "            return False\n",
    "        \n",
    "    def read_packet(self):\n",
    "        if self._new_packet:\n",
    "            return self._Alice.get_packet()\n",
    "        else:\n",
    "            return None\n",
    "        \n",
    "    def delete_packet(self):\n",
    "        self._Alice.delete_packet()\n",
    "        \n",
    "    def assign_Alice(self, alice):\n",
    "        self._Alice = alice\n",
    "        \n",
    "        \n",
    "            \n",
    "\n",
    "class BobBot():\n",
    "    def check_for_packet(self, other):\n",
    "        if other.check_for_packet():\n",
    "            return True\n",
    "        else:\n",
    "            return False\n",
    "        \n",
    "    def delete_packet(self, other):\n",
    "        other.delete_packet()\n",
    "\n",
    "\n",
    "\n",
    "\n",
    "\n",
    "#Simulator for this process\n",
    "Alice = AliceBot()\n",
    "Inter = InternetBot()\n",
    "Inter.assign_Alice(Alice)\n",
    "Bob = BobBot()\n",
    "\n",
    "for i in range(50):\n",
    "    print(f'Time is {i}')\n",
    "    if Alice.act(): print('Created the packet', Alice.get_packet())    \n",
    "    if Bob.check_for_packet(Inter): \n",
    "        print('Bob detected the packet')\n",
    "        Bob.delete_packet(Inter)\n",
    "    \n",
    "    \n",
    "    "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 37,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Currently playing a game with 3 bears and 10 fish\n",
      "--------FF--------F-------------B--FF----F-------------FB------------------------B---F-F----------F-\n",
      "-------F-F--------F------------B---FF----F-------------FB-----------------------B----F-F----------F-\n",
      "------FF-F--------F-----------FB---FF-----F------------FB-----------------------B-----FF---------F--\n",
      "F-----FF-F---------F----------FB---FF-----F----F-------FB-----------------------B-----F-F-------BF--\n",
      "F-----FF--F--------F----------FB--FF-F----F----F-------FB------B-----------F----B-----F-F-------BF--\n",
      "F-----FF--F--------F------F---FB--FF-F----F----F-------FB------B-----B-----F----B-----F-F-------BF--\n",
      "F-----FFF-F--------F-F----F---FB--FF-F----F----F-------FB------B-----B-----F----B-----F-F----F--BF--\n",
      "F-----FFF-F--------F-F----F---FB--FF-F----F----F-------F-B-----B---F-BF----F----B-----F-F----F--BF--\n",
      "F-----FF-FF--------F-F----F---FB--FF-F----F----F----F--F-B-----B---F-BF----F----B-----F-F----F--BF--\n",
      "F-----FF-FF-----F-BF-F----F---FB--F-FF----F----F--F-F--F-B-----B---F-BF----F----B-----F-F----F--BF--\n",
      "F-----FF-FF-----F-BF-F-F--F---FB--F-FF----F----F--F-F--F-B-----B---F-BF----F----B-----F-F----F--BF--\n",
      "F-----FF-FF-----FB-F-F-F--F---FB--F-FF---FF----F--F-F--F-B-----B---F-BF----F----B-----F-F----F--BF--\n",
      "F-----FF-FF-----FB-F-F-F--F---FB--F-FF---FF----F--F-F--F-BF----BF--F-BF----F----B-----F-F----F--BF--\n",
      "F-----FF-FF-----FB-F-F-F--F---FB--F-FF---FF----F--F-F--F-BF----BF--F-BF----F----B--B--F-F----F--BF--\n",
      "F-----FF-FF-----FBFF-F-F--F---FB--FF-F---FF----F--F-F--F-BF----BF--F-BF----F----B--B--F-F----F--BF--\n",
      "F-----FF-FF-----FBFFFF-F-FF---FB--FF-F---FF----F--F-F--F-BF----BF--F-BF----F----B--B--F-F----F--BF--\n",
      "F-----FF-FF-----FBFFFF-F-FF---FB--F-FF---FF----F--F-F--FBBF----BF--F-BF----F----B--B--F-F---FF--BF--\n",
      "F-----FFFFF-----FBFFFF-F-FF---FB-FF-FF--F-F----F--F-F--FBBF----BF--F-BF----F----B--B--F-F---FF--BF--\n",
      "F----FFFFFF-----FBFFFF-F-FF---FB-FF-FF--F-F----F-BF-F--FBBF----BF--F-BF-B--F----B--B-FF-FF--FF--BF-B\n",
      "F----FFFFFF---F-FBFFFF-F-FF-F-FB-FF-FF--F-F----F-BF-F-FFBBF----BF--F-BF-B--F----B--B-FF-FF--FF--BF-B\n",
      "F----FFFFFF---F-FBFFFF-F-FF-F-FB-FF-FF--F-F----F-BF-F-FFBBF----BF--F-BF-B--F----B--B-FF-FF--FF--BF-B\n",
      "F----FFFFFF---F-FBFFFF-F-FF-F-FB-FF-FF--F-F----F-BF-F-FFBBF----BF--F-BF-B-FF----B--BF-F-FF--FF--BF-B\n",
      "F----FFFFFF---F-FBFFFFBF-FF-F-FB-FF-FF--F-F----F-BF-F-FFBBF----BF--F-BF-B-FF----B--BF-F-FF--FF--BFFB\n",
      "F--F-FFFFFF---F-FBFFFFBF-FF-F-FB-FF-FF--F-F----F-BF-F-FFBBF----BF--F-BF-B-FF----B--BF-F-FF--FFF-BFFB\n",
      "F--F-FFFFFF---F-FBFFFFBF-FF-F-FB-FF-FF--F-F----F-BF-F-FFBBF----BF--F-BF-B-FF----B--BF-F-FF--FFF-BFFB\n",
      "F--F-FFFFFF---F-FBFFFFBF-FF-FFFB-FF-FF--F-F---FF-BF-F-FFBBF----BF--FFBF-B-FF----B--BF-FBFF--FFF-BFFB\n",
      "F--F-FFFFFFF--F-FBFFFFBF-FF-FFFB-FF-FF--F-F---FF-BF-F-FFBBF----BF--FFBF-B-FF----B--BF-FBFFF-FFF-BFFB\n",
      "F--F-FFFFFFF--F-FBFFFFBF-FFFFFFB-FF-FF--F-F---FFBBF-F-FFBBF----BF--FFBF-B-FF----B--BF-FBFFF-FFF-BFFB\n",
      "F-FF-FFFFFFF--F-FBFFFFBF-FFFFFFB-FF-FF--F-F---FFBBF-F-FFBBF----BF--FFBF-B-FF---FB--BF-FBFFF-FFF-BFFB\n",
      "F-FFFFFFFFFF--F-FBFFFFBF-FFFFFFB-FFFFFB-F-F-B-FFBBF-F-FFBBF----BF--FFBF-B-FFF--FBF-BF-FBFFF-FFF-BFFB\n",
      "F-FFFFFFFFFF--F-FBFFFFBF-FFFFFFB-FFFFFB-F-F-B-FFBBF-F-FFBBF----BF--FFBF-BFFFF--FBF-BF-FBFFF-FFF-BFFB\n",
      "F-FFFFFFFFFF--F-FBFFFFBF-FFFFFFBFFFFFFBFFFFFB-FFBBF-F-FFBBF----BF--FFBF-BFFFF--FBF-BF-FBFFF-FFF-BFFB\n",
      "F-FFFFFFFFFF-FF-FBFFFFBF-FFFFFFBFFFFFFBFFFFFB-FFBBF-F-FFBBF----BF--FFBFFBFFFF--FBF-BFFFBFFF-FFF-BFFB\n",
      "F-FFFFFFFFFF-FF-FBFFFFBF-FFFFFFBFFFFFFBFFFFFB-FFBBF-F-FFBBF---FBF-FFFBFFBFFFF-BFBFFBFFFBFFF-FFF-BFFB\n",
      "F-FFFFFFFFFFFFF-FBFFFFBF-FFFFFFBFFFFFFBFFFFFB-FFBBF-F-FFBBFFB-FBF-FFFBFFBFFFF-BFBFFBFFFBFFF-FFF-BFFB\n",
      "F-FFFFFFFFFFFFFFFBFFFFBF-FFFFFFBFFFFFFBFFFFFB-FFBBFFF-FFBBFFBFFBF-FFFBFFBFFFFFBFBFFBFFFBFFF-FFFBBFFB\n",
      "F-FFFFFFFFFFFFFFFBFFFFBFFFFFFFFBFFFFFFBFFFFFBFFFBBFFF-FFBBFFBFFBFBFFFBFFBFFFFFBFBFFBFFFBFFF-FFFBBFFB\n",
      "F-FFFFFFFFFFFFFFFBFFFFBFFFFFFFFBFFFFFFBFFFFFBFFFBBFFFFFFBBFFBFFBFBFFFBFFBFFFFFBFBFFBFFFBFFFFFFFBBFFB\n",
      "F-FFFFFFFFFFFFFFFBFFFFBFFFFFFFFBFFFFFFBFFFFFBFFFBBFFFFFFBBFFBFFBFBFFFBFFBFFFFFBFBFFBFFFBFFFFFFFBBFFB\n",
      "FFFFFFFFFFFFFFFFFBFFFFBFFFFFFFFBFFFFFFBFFFFFBFFFBBFFFFFFBBFFBFFBFBFFFBFFBFFFFFBFBFFBFFFBFFFFFFFBBFFB\n",
      "\n",
      "\n",
      "\n",
      "Currently playing a game with 10 bears and 10 fish\n",
      "---------B-B---B---F---F-BF--------B-F--------B-----------F-F----------F--B------F---F--------BB-B-F\n",
      "---------B-B---B---F---F-BF--------B-F--------B-----------F-F-----------F-B------F---F--------BB-B-F\n",
      "---------B-B---B---F---FB-F------B-B--F-------B---F--------FF-----------FBB------F--F---------BB-B-F\n",
      "---------B-B---B---F---FB-F------BB---F-F-----B---F-----B--FF-----------FBB------F--F---------BB-BBF\n",
      "----------BB--B----F---FB-F------BB---F-F-----B---F-----B--FF-----------FB-B----F---F---------BB-BBF\n",
      "----------BB--B----F-BF-B-F------BB---F-F---B-B---FB----B--F-F----------FB-B----F--BFF--------BB-BBF\n",
      "----------BB--B----FBBFFB-F------BB---F-F---B--B--FB---BB--F-F----------FB-B----F--BFF--------BB-BBF\n",
      "----------B-B-B----FBBFFB-F-----FBB---F-F---B--B--FB---BB--F-F----------FB-B-F-FF--BFFB------B-B-BBF\n",
      "-----B----B-B-B--F-FBBFFB-F-----FBB---F-F---B--B--FB---BB--F-F----------FB-B-F-FF--BFFB------BB--BBF\n",
      "-----B----B-B-B--F-FBBFFB-F-----FBB---F-F---B--B--FB---BB--F-F----------FB-B-F-FF--BFFB------BB--BBF\n",
      "-----B----BFB-B--F-FBBFFB-F-----FBB---F-F---B--B--FB---BB--F-F----------FB-B-F-FF--BFFB------BB--BBF\n",
      "-----B----BFB-B--FFFBBFFB-F-----FBB---F-F---BB-B--FB---BB--F-F----------FB-B-F-FF--BFFB------BBF-BBF\n",
      "-----B----BFB-B--FFFBBFFB-F-----FBB---F-F---BB-B--FB---BB--F-F----------FB-B-F-FF--BFFB------BBF-BBF\n",
      "-----B----BFB-B-FFFFBBFFB-F-----FBB---F-F---BB-B--FBF--BB--F-F----------FB-B-F-FF--BFFB------BBFB-BF\n",
      "-----B----BFB-B-FFFFBBFFB-F-----FBB---F-F---BB-B--FBF--BB--F-F----B-----FB-B-F-FFF-BFFB------BBFB-BF\n",
      "-----B----BFB-B-FFFFBBFFB-F-----FBB---F-F---BB-B--FBF--BB--F-F----B-----FB-B-F-FFF-BFFB------BBFB-BF\n",
      "-----B----BFB-B-FFFFBBFFB-F-B---FBB--FF-FF--BB-B--FBF--BB--F-F----B-----FB-B-F-FFF-BFFB------BBFB-BF\n",
      "-----B----BFB-B-FFFFBBFFB-F-B---FBB--FF-FF--BBFB--FBF--BB--FBFBB--B-----FB-B-F-FFF-BFFB----B-BBFB-BF\n",
      "-FB--B----BFB-B-FFFFBBFFB-F-B---FBB--FF-FF--BBFB--FBF--BB--FBFBB--B-B---FB-BFF-FFF-BFFB----B-BBFB-BF\n",
      "-FB--B----BFB-B-FFFFBBFFB-F-B---FBB--FF-FFBBBBFB--FBF--BB--FBFBB--B-B---FB-BFF-FFF-BFFBB---B-BBFB-BF\n",
      "-FBB-B-B--BFB-B-FFFFBBFFB-F-B---FBB--FF-FFBBBBFB--FBF--BB--FBFBB--B-B---FB-BFF-FFF-BFFBB---B-BBFB-BF\n",
      "-FBB-B-B--BFB-B-FFFFBBFFB-F-B---FBB--FF-FFBBBBFB-BFBFF-BB--FBFBB--B-B---FB-BFF-FFF-BFFBB---B-BBFB-BF\n",
      "-FBB-B-B--BFB-B-FFFFBBFFB-F-B---FBB-F-F-FFBBBBFB-BFBFFBBB--FBFBB--B-B---FB-BFF-FF-FBFFBB---B-BBFB-BF\n",
      "-FBBBBFBF-BFB-B-FFFFBBFFB-F-B---FBB-F-F-FFBBBBFB-BFBFFBBB-BFBFBB--B-B---FB-BFF-FF-FBFFBB---B-BBFB-BF\n",
      "-FBBBBFBF-BFBFBFFFFFBBFFBFF-B---FBB-F-F-FFBBBBFB-BFBFFBBB-BFBFBB-BBBB---FB-BFF-FF-FBFFBB---B-BBFB-BF\n",
      "BFBBBBFBF-BFBFBFFFFFBBFFBFF-B---FBBBF-F-FFBBBBFB-BFBFFBBB-BFBFBBFBBBB---FB-BFF-FF-FBFFBB---B-BBFB-BF\n",
      "BFBBBBFBF-BFBFBFFFFFBBFFBFFFB---FBBBF-F-FFBBBBFB-BFBFFBBB-BFBFBBFBBBB--BFB-BFF-FF-FBFFBB---B-BBFB-BF\n",
      "BFBBBBFBF-BFBFBFFFFFBBFFBFFFB--BFBBBF-F-FFBBBBFB-BFBFFBBBBBFBFBBFBBBB-B-FB-BFFBFF-FBFFBBB--B-BBFBBBF\n",
      "BFBBBBFBF-BFBFBFFFFFBBFFBFFFBB-BFBBBF-F-FFBBBBFB-BFBFFBBBBBFBFBBFBBBB-B-FB-BFFBFFFFBFFBBB--B-BBFBBBF\n",
      "BFBBBBFBF-BFBFBFFFFFBBFFBFFFBB-BFBBBF-F-FFBBBBFBBBFBFFBBBBBFBFBBFBBBB-B-FB-BFFBFFFFBFFBBB--BBBBFBBBF\n",
      "BFBBBBFBF-BFBFBFFFFFBBFFBFFFBB-BFBBBFBF-FFBBBBFBBBFBFFBBBBBFBFBBFBBBB-B-FB-BFFBFFFFBFFBBBFBBBBBFBBBF\n",
      "BFBBBBFBFFBFBFBFFFFFBBFFBFFFBBFBFBBBFBF-FFBBBBFBBBFBFFBBBBBFBFBBFBBBB-BBFBBBFFBFFFFBFFBBBFBBBBBFBBBF\n",
      "BFBBBBFBFFBFBFBFFFFFBBFFBFFFBBFBFBBBFBF-FFBBBBFBBBFBFFBBBBBFBFBBFBBBBBBBFBBBFFBFFFFBFFBBBFBBBBBFBBBF\n",
      "BFBBBBFBFFBFBFBFFFFFBBFFBFFFBBFBFBBBFBFFFFBBBBFBBBFBFFBBBBBFBFBBFBBBBBBBFBBBFFBFFFFBFFBBBFBBBBBFBBBF\n",
      "BFBBBBFBFFBFBFBFFFFFBBFFBFFFBBFBFBBBFBFFFFBBBBFBBBFBFFBBBBBFBFBBFBBBBBBBFBBBFFBFFFFBFFBBBFBBBBBFBBBF\n",
      "BFBBBBFBFFBFBFBFFFFFBBFFBFFFBBFBFBBBFBFFFFBBBBFBBBFBFFBBBBBFBFBBFBBBBBBBFBBBFFBFFFFBFFBBBFBBBBBFBBBF\n",
      "BFBBBBFBFFBFBFBFFFFFBBFFBFFFBBFBFBBBFBFFFFBBBBFBBBFBFFBBBBBFBFBBFBBBBBBBFBBBFFBFFFFBFFBBBFBBBBBFBBBF\n",
      "BFBBBBFBFFBFBFBFFFFFBBFFBFFFBBFBFBBBFBFFFFBBBBFBBBFBFFBBBBBFBFBBFBBBBBBBFBBBFFBFFFFBFFBBBFBBBBBFBBBF\n",
      "BFBBBBFBFFBFBFBFFFFFBBFFBFFFBBFBFBBBFBFFFFBBBBFBBBFBFFBBBBBFBFBBFBBBBBBBFBBBFFBFFFFBFFBBBFBBBBBFBBBF\n",
      "BFBBBBFBFFBFBFBFFFFFBBFFBFFFBBFBFBBBFBFFFFBBBBFBBBFBFFBBBBBFBFBBFBBBBBBBFBBBFFBFFFFBFFBBBFBBBBBFBBBF\n"
     ]
    }
   ],
   "source": [
    "#-------------------P2-36---------------------\n",
    "import random\n",
    "\n",
    "\n",
    "\n",
    "#These should be nested in theory and then accessed using self.Bear, or self.Fish\n",
    "\n",
    "\n",
    "\n",
    "class RiverEcosystem():\n",
    "    \n",
    "    class Bear():\n",
    "        def __init__(self, location):\n",
    "            self._location = location\n",
    "\n",
    "    class Fish():\n",
    "        def __init__(self, location):\n",
    "            self._location = location\n",
    "    \n",
    "\n",
    "    MOVE_CHANCE = 0.3\n",
    "    LR_CHANCE = 0.5\n",
    "    \n",
    "    def __init__(self, length = 100, bears = 3, fish = 10):\n",
    "        self._ecosystem = [None]*length\n",
    "        \n",
    "        self._bears = self.assign_object(self.Bear, bears)\n",
    "        self._fish = self.assign_object(self.Fish, fish)\n",
    "        \n",
    "        self._time = 0\n",
    "        \n",
    "        \n",
    "    def __len__(self):\n",
    "        return (len(self._ecosystem))\n",
    "    \n",
    "    def __getitem__(self, index):\n",
    "        return self._ecosystem[index]\n",
    "    \n",
    "    def __setitem__(self, index, value):\n",
    "        self._ecosystem[index] = value\n",
    "    \n",
    "    def assign_object(self, obj, number):\n",
    "        assigned = 0\n",
    "        object_list = []\n",
    "        maximum_attempts = 100\n",
    "        attempts = 0\n",
    "        while assigned <number and attempts < maximum_attempts:\n",
    "            attempts +=1\n",
    "            i = random.randint(0, len(self)-1)\n",
    "            if self[i] is None:\n",
    "                new_obj = obj(i)\n",
    "                assigned += 1\n",
    "                self[i] = new_obj\n",
    "                object_list.append(new_obj)\n",
    "        return object_list\n",
    "\n",
    "        \n",
    "    def __repr__(self):\n",
    "        output_string = []\n",
    "        for element in self._ecosystem:\n",
    "            if element is None:\n",
    "                output_string += '-'\n",
    "            elif isinstance(element, self.Bear):\n",
    "                output_string += 'B'\n",
    "            elif isinstance(element, self.Fish):\n",
    "                output_string += 'F'\n",
    "            else:\n",
    "                output_string += '?'\n",
    "                \n",
    "        return ''.join(output_string)\n",
    "    \n",
    "    \n",
    "    def _delete_object(self, obj, obj_list):\n",
    "        #Challenge is to also delete it from the list of bears/fish\n",
    "        target = None\n",
    "        \n",
    "        for i in range(len(obj_list)):\n",
    "            if obj is obj_list[i]:\n",
    "                target = i\n",
    "        if target is not None: del (obj_list[target])\n",
    "                \n",
    "    \n",
    "    def _attempt_move(self, obj, target_location):\n",
    "        if target_location <0 or target_location >=len(self):\n",
    "            #print ('Move is out of bounds')\n",
    "            return False\n",
    "        elif self[target_location] is None:\n",
    "            self[obj._location], self[target_location] = self[target_location], self[obj._location]\n",
    "        elif type(obj) == type(self[target_location]):\n",
    "            #if they are the same type, create one new instance of that object\n",
    "            self.assign_object(type(obj), 1)\n",
    "        #if not the same, check who is the fish...\n",
    "        elif isinstance(obj, self.Fish):\n",
    "            self._delete_object(obj, self._fish)\n",
    "        elif isinstance(self[target_location], self.Fish):\n",
    "            self._delete_object(self[target_location], self._fish)\n",
    "        \n",
    "    \n",
    "    \n",
    "    \n",
    "    def determine_action(self, obj):\n",
    "        if random.random() < self.MOVE_CHANCE:\n",
    "            if random.random() <self.LR_CHANCE:\n",
    "                self._attempt_move(obj, obj._location -1)\n",
    "            \n",
    "            else:\n",
    "                self._attempt_move(obj, obj._location +1)\n",
    "            \n",
    "                \n",
    "        \n",
    "    \n",
    "    def timestep(self):\n",
    "        self._time += 1\n",
    "        for f in self._fish:\n",
    "            self.determine_action(f)\n",
    "        for b in self._bears:\n",
    "            self.determine_action(b)\n",
    "\n",
    "    \n",
    "    \n",
    "    \n",
    "\n",
    "Game1 = RiverEcosystem(100)\n",
    "print('Currently playing a game with 3 bears and 10 fish')\n",
    "for _ in range(40):\n",
    "    print (Game1)\n",
    "    Game1.timestep()\n",
    "print('\\n\\n')\n",
    "    \n",
    "Game2 = RiverEcosystem (100, 10, 10)\n",
    "print ('Currently playing a game with 10 bears and 10 fish')\n",
    "for _ in range(40):\n",
    "    print (Game2)\n",
    "    Game2.timestep()\n",
    "    "
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 38,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Currently playing a game with 3 bears and 10 fish\n",
      "---F--F-B-F-----F----------B------------F---------------F---------F--F---------FB----------F--------\n",
      "---F--F--BF------F--------B-------------F---------------F---------F--F---------FB----------F--------\n",
      "---F-F---BF------F--------B-------------F---------------F---------F---F--------FB----------F--------\n",
      "----FF---B-F-----F--------B--------------F-------------F-----------F--F--------FB-----------F-------\n",
      "-F--FF---B-F-----F--------B--------------F-------------F-----------F--F----F---FB-------F---F-------\n",
      "-F--FF---B-F-----F--------B--------------F-------------F---------F-F--F----F---FB-------F---F-------\n",
      "-F--FF---B-F-----F-F-F---FB--F-----------F-------------F---------F-F--F----F---FB-------F---F-------\n",
      "-F--FF---B-F-----F-F-F---FB--F-----------F---F-----B---F-------F-F-F--F----F---FB-------F---F-------\n",
      "-F--FF---B-F-----F-F-F---FB--F-----------F---F-----B---F-------F-F-F--F----F---FB-------F---F-------\n",
      "-F--FF---B-F-----F-F-F---FB--F-----------F---F-----B---F------FF-F-F--F----F---FB-------F---F-------\n",
      "-F--FF---B-F-----F-F-F---FB--F-----------F---F-----B---F------FF-F-F--F--F-F---FB-------F---F-------\n",
      "-F--FF---B-F-----F-FFF---FB--F-----------F---F-----B-B-F------FF-F-F--F--F-F---FBF------F---F-------\n",
      "-F-FFF---B-F-----F-FFFF--FB--F-----------F---F-----B-B-F------FF-F-F--F--F-F--BFBF------F---F-------\n",
      "-F-FFF---B-F-----F-FFFF--FB--F-----------F---F---F-B-B-F------FF-F-F--F--F-F--BFBF----F-F---F--F----\n",
      "-F-FFF---B-F-----F-FFFF--FB-FF-----------F---F---F-B-B-F------FF-F-F--F--F-F--BFBF----F-F---F--F--B-\n",
      "-F-FFF---B-F-----F-FFFF--FB-FF----------BF---F---F-B-B-F------FF-F-F--F--F-F--BFBF----F-F---F--F--B-\n",
      "-F-FFF---B-F-----F-FFFF--FB-FF----------BF---F---F-B-BFF------FF-F-F--F--F-F--BFBF----F-F---F--F--B-\n",
      "-F-FFF---B-F-----F-FFFF--FB-FF-----F----BF---F---F-B-BFF------FF-F-F--F--F-F--BFBF----F-F---F--F--B-\n",
      "-F-FFF---B-F-----F-FFFF--FB-FF-----F----BF---F--FF-B-BFF------FF-F-F--F--F-F--BFBF----F-F---F--F--B-\n",
      "-F-FFF---B-F-----F-FFFF--FB-FF-----F----BF---F--FF-B-BFF------FF-F-F-BF--F-F--BFBF----F-F---F--F--B-\n",
      "-FF-FF---B-F-----F-FFFF--FB-FF-----F----BF---F--FF-B-BFF------FF-F-F-BF--F-F--BFBF----FFF---F--F--B-\n",
      "-FF-FF---B-F-----F-FFFF--FB-FF-----F----BFF--F--FF-B-BFF------FF-F-F-BF-FF-F--BFBF----FFF---F--F--B-\n",
      "-FFBFF---B-F-----F-FFFF--FB-FF-----F----BFF--F--FF-B-BFF------FF-F-F-BF-FF-F--BFBF----FFF---F--F-FB-\n",
      "-FFBFF---B-F-----F-FFFF--FB-FF-----F----BFF--F--FF-B-BFF------FF-F-F-BF-FF-FF-BFBF----FFF---F--FFFB-\n",
      "-FFBFF---B-F-----F-FFFF--FB-FF-----F----BFF--F--FF-B-BFF------FF-F-F-BF-FF-FF-BFBF----FFF---FF-FFFB-\n",
      "-FFBFF---B-F-F---F-FFFF--FB-FF-----F---B-FF--F--FF-B-BFF------FF-F-F-BF-FF-FF-BFBF----FFF---FF-FFFB-\n",
      "-FFBFF---B-F-F---F-FFFF--FB-FF-----F---B-FF--F--FF-B-BFF------FF-F-F-BF-FF-FF-BFBF----FFF---FF-FFFB-\n",
      "-FFBFF---B-F-F---F-FFFF--FB-FF-----F--FB-FF--F--FF-B-BFF------FF-F-F-BF-FF-FF-BFBF---BFFF---FF-FFFB-\n",
      "-FFBFF---B-F-F---F-FFFF--FB-FF-----F--FB-FF--F--FF-B-BFF------FF-F-F-BF-FF-FF-BFBF---BFFF---FF-FFFB-\n",
      "-FFBFF---B-F-F---F-FFFF--FB-FF-----F--FB-FF--F--FF-B-BFF------FF-F-FB-F-FF-FF-BFBF-F-BFFF---FF-FFFB-\n",
      "-FFBFF---B-F-F---F-FFFF--FB-FF-----F--FB-FF--F--FF-B-BFF------FF-F-FB-F-FF-FF-BFBF-F-BFFF---FF-FFFB-\n",
      "-FFBFF---B-F-F---F-FFFF--FB-FF-----F--FB-FF--F--FF-B-BFF---F--FF-F-FB-F-FF-FF-BFBF-F-BFFF---FF-FFFB-\n",
      "-FFBFF---B-F-F---F-FFFF--FB-FF-----F--FB-FF--F--FF-B-BFF---F--FF-F-FB-F-FF-FF-BFBF-F-BFFF---FF-FFFB-\n",
      "-FFBFF---B-F-F---F-FFFF--FB-FF-----F--FB-FF--F--FF-B-BFF---F--FF-F-FB-F-FF-FF-BFBF-F-BFFF---FF-FFFB-\n",
      "BFFBFF---BBF-F---F-FFFF--FB-FF-----F--FB-FF--F--FF-B-BFF---F--FF-F-FB-F-FF-FF-BFBF-FFBFFF---FF-FFFB-\n",
      "BFFBFF---BBF-F---F-FFFF--FB-FF-----F--FB-FF--F--FF-B-BFF---F--FF-F-FB-F-FF-FF-BFBF-FFBFFF---FF-FFFB-\n",
      "BFFBFF---BBF-F---F-FFFF--FB-FF-----F--FB-FF--F--FF-B-BFF---F--FF-F-FB-F-FF-FF-BFBF-FFBFFF---FF-FFFB-\n",
      "BFFBFF---BBF-F---F-FFFF--FB-FF-----F--FB-FF--F--FF-B-BFF-F-F--FF-F-FB-F-FF-FF-BFBF-FFBFFF---FF-FFFB-\n",
      "BFFBFF---BBF-F---F-FFFF--FB-FF-----F--FB-FF--F--FF-B-BFF-F-F--FF-F-FB-F-FF-FF-BFBF-FFBFFF---FF-FFFB-\n",
      "BFFBFF---BBF-F---F-FFFF--FB-FF-----F--FB-FF--F--FF-B-BFF-FFF--FF-F-FB-F-FF-FF-BFBF-FFBFFF---FF-FFFB-\n",
      "\n",
      "\n",
      "\n",
      "Currently playing a game with 10 bears and 10 fish\n",
      "-F-F------------B-B--FF-B--B---------------B-------F---------B--B---F-F---B----B--F-------F--F--B---\n",
      "--F-F-----------B-B--FF-B--B---------------B-------F----------B-B--F--F---B----B--F-------F--F--B---\n",
      "--F-F-----------B-B--FF-B--B--------------FB--------F---------B--B-F---F--B----B--F-------F-F---B---\n",
      "--F-F-----------BFB--FF--B--B-------------FB--------F---------B--B-F---F-FB-----B-F--------FF---B---\n",
      "--F-F-----------BFB--FFFFB--B-------------FB--------F---------B--B-F---F-FB-----B-F----F---FF--B----\n",
      "--F-F-----------BFB--FFFFB--B-------------FB--------F---------B--B-F---F-FB---F-B-FF---F---FF--B----\n",
      "--F-F----------FBFB--FFFFB--B-F-----------FB--------F-----F---B--B-F---F-FB---F-B-FF---F---FF--B----\n",
      "--F-F----------FBF-B-FFFFB--B-F--B---F----FB--------F-----F---B--B-F---F-F-B--F-B-FF---F---FF--B----\n",
      "--F-F----------FBF-BF-FFFB--B-F--B---F----FB--------F-----F---B--B-F---F-F-B--F-B-FF---F---FF--B----\n",
      "--F-F----------FBFBBF-FFFB--B-F--B---F----FB----F---F-----F---B--B-F---F-F-B--F-B-FF---F-B-FF--B----\n",
      "--F-F----------FBFBBF-FFFB--B-F--B---F----FB----F---F-----F---B--B-F---F-F-B--F-B-FF---F-B-FF--B----\n",
      "--F-F----------FBFBBF-FFFB--B-F-FB---F----F-B---F---F-----F---B--B-F---F-F-B--F-B-FF---F-B-FF--B---B\n",
      "--F-F----------FBFBBF-FFFB--B-F-FB---F----F-B---F---F-----F---B--B-F---F-F-B--FFB-FF---F-B-FF--B---B\n",
      "--F-F--------F-FBFBBF-FFFB--B-F-FBB--F----F-B---F---F-----F---B--B-F---F-F-BB-FFB-FF---F-B-FF-BB---B\n",
      "--F-F-----B--F-FBFBBF-FFFB-BB-F-FBB--F----F-B---FF--F-----F---B--B-F---F-F-BB-FFB-FF---F-B-FF-BB---B\n",
      "F-F-F-----B--F-FBFBBFBFFFB-BBBF-FBBB-F-F--F-B---FF--F-----F---B--B-F---F-F-BB-FFB-FF---F-B-FF-BB---B\n",
      "F-F-F-----B--F-FBFBBFBFFFB-BBBF-FBBB-F-F--F-B---FF--F-----F---B--B-F---F-F-BB-FFB-FF---F-B-FF-BB---B\n",
      "F-F-F-----B--F-FBFBBFBFFFBB-BBF-FBBB-F-F--F-B---FF--FB----F---B--B-F---F-F-BB-FFB-FF---F-B-FF-BB---B\n",
      "F-F-F-----BB-F-FBFBBFBFFFBB-BBF-FBBB-F-FF-F-B---FF-FFB----F---B--B-F---F-F-BB-FFB-FF---F-BFFF-BB---B\n",
      "F-F-F----FBB-F-FBFBBFBFFFBB-BBF-FBBB-F-FF-F-B---FF-FFB--B-FB--B--B-F---F-F-BB-FFBBFF---F-BFFF-BB---B\n",
      "F-F-F----FBB-F-FBFBBFBFFFBB-BBF-FBBB-F-FF-F-B---FF-FFB--B-FBF-B--B-F---F-F-BB-FFBBFF---F-BFFF-BB-F-B\n",
      "F-F-F-B--FBB-F-FBFBBFBFFFBBFBBF-FBBB-F-FF-F-B---FF-FFB--B-FBF-B--B-F---F-F-BB-FFBBFF---F-BFFF-BB-F-B\n",
      "F-F-F-B--FBB-F-FBFBBFBFFFBBFBBF-FBBB-F-FF-F-B---FF-FFB--B-FBF-B--BFF---F-F-BB-FFBBFF---F-BFFF-BB-F-B\n",
      "F-F-F-B--FBB-F-FBFBBFBFFFBBFBBF-FBBB-F-FF-F-B---FFBFFB--B-FBF-B--BFF---F-F-BB-FFBBFFB--F-BFFF-BB-F-B\n",
      "F-F-F-B--FBB-F-FBFBBFBFFFBBFBBF-FBBB-F-FF-F-B---FFBFFB--B-FBF-B--BFFB--F-F-BB-FFBBFFB--F-BFFF-BB-F-B\n",
      "F-F-F-B-BFBB-F-FBFBBFBFFFBBFBBF-FBBBBF-FF-F-B---FFBFFB--B-FBF-B--BFFB--F-F-BB-FFBBFFB--F-BFFF-BB-F-B\n",
      "F-FFF-B-BFBB-F-FBFBBFBFFFBBFBBF-FBBBBF-FF-F-B---FFBFFB-BB-FBF-B--BFFB--F-F-BBFFFBBFFB--F-BFFF-BB-F-B\n",
      "F-FFF-B-BFBB-F-FBFBBFBFFFBBFBBFFFBBBBF-FF-F-B---FFBFFB-BB-FBF-B--BFFB--F-F-BBFFFBBFFB--F-BFFFFBBFF-B\n",
      "F-FFF-BFBFBB-F-FBFBBFBFFFBBFBBFFFBBBBF-FF-F-BB-BFFBFFB-BB-FBF-B--BFFB--F-F-BBFFFBBFFB--F-BFFFFBBFF-B\n",
      "F-FFF-BFBFBB-F-FBFBBFBFFFBBFBBFFFBBBBF-FF-F-BB-BFFBFFB-BB-FBF-B--BFFBBBF-F-BBFFFBBFFB--F-BFFFFBBFF-B\n",
      "FBFFFBBFBFBB-F-FBFBBFBFFFBBFBBFFFBBBBF-FF-F-BB-BFFBFFB-BB-FBF-B--BFFBBBFFF-BBFFFBBFFB--F-BFFFFBBFF-B\n",
      "FBFFFBBFBFBB-F-FBFBBFBFFFBBFBBFFFBBBBF-FF-F-BB-BFFBFFB-BB-FBF-B--BFFBBBFFF-BBFFFBBFFB--F-BFFFFBBFF-B\n",
      "FBFFFBBFBFBB-FFFBFBBFBFFFBBFBBFFFBBBBF-FF-F-BB-BFFBFFB-BB-FBF-BB-BFFBBBFFFFBBFFFBBFFBB-F-BFFFFBBFF-B\n",
      "FBFFFBBFBFBB-FFFBFBBFBFFFBBFBBFFFBBBBF-FF-F-BB-BFFBFFB-BB-FBF-BBBBFFBBBFFFFBBFFFBBFFBB-F-BFFFFBBFF-B\n",
      "FBFFFBBFBFBB-FFFBFBBFBFFFBBFBBFFFBBBBF-FF-FBBB-BFFBFFBBBB-FBF-BBBBFFBBBFFFFBBFFFBBFFBB-FBBFFFFBBFF-B\n",
      "FBFFFBBFBFBB-FFFBFBBFBFFFBBFBBFFFBBBBF-FF-FBBBBBFFBFFBBBB-FBFBBBBBFFBBBFFFFBBFFFBBFFBB-FBBFFFFBBFF-B\n",
      "FBFFFBBFBFBB-FFFBFBBFBFFFBBFBBFFFBBBBF-FF-FBBBBBFFBFFBBBB-FBFBBBBBFFBBBFFFFBBFFFBBFFBB-FBBFFFFBBFF-B\n",
      "FBFFFBBFBFBB-FFFBFBBFBFFFBBFBBFFFBBBBF-FF-FBBBBBFFBFFBBBB-FBFBBBBBFFBBBFFFFBBFFFBBFFBB-FBBFFFFBBFF-B\n",
      "FBFFFBBFBFBBFFFFBFBBFBFFFBBFBBFFFBBBBF-FF-FBBBBBFFBFFBBBB-FBFBBBBBFFBBBFFFFBBFFFBBFFBBBFBBFFFFBBFF-B\n",
      "FBFFFBBFBFBBFFFFBFBBFBFFFBBFBBFFFBBBBFFFF-FBBBBBFFBFFBBBB-FBFBBBBBFFBBBFFFFBBFFFBBFFBBBFBBFFFFBBFF-B\n"
     ]
    }
   ],
   "source": [
    "#----------------P2-37------------------------\n",
    "#Note, you must run the cell from P2-36 to get the RiverEcosystem class\n",
    "\n",
    "\n",
    "class RiverEcosystem2(RiverEcosystem):\n",
    "    class Bear():\n",
    "        def __init__(self, location):\n",
    "            self._location = location\n",
    "            self._strength = random.random()\n",
    "            self._gender = True if random.random()>0.5 else False\n",
    "        \n",
    "    class Fish():\n",
    "        def __init__(self, location):\n",
    "            self._location = location\n",
    "            self._strength = random.random()\n",
    "            self._gender = True if random.random()>0.5 else False\n",
    "    \n",
    "    \n",
    "    def _attempt_move(self, obj, target_location):\n",
    "        if target_location <0 or target_location >=len(self):\n",
    "            #print ('Move is out of bounds')\n",
    "            return False\n",
    "        elif self[target_location] is None:\n",
    "            self[obj._location], self[target_location] = self[target_location], self[obj._location]\n",
    "        \n",
    "        elif type(obj) == type(self[target_location]):\n",
    "            #if they are the same type and gender, create one new instance of that object\n",
    "            if obj._gender == self[target_location]._gender:\n",
    "                self.assign_object(type(obj), 1)\n",
    "            else:\n",
    "                to_delete = min(obj, self[target_location], key = lambda x: x._strength)\n",
    "                object_list = self._fish if isinstance(obj, self.Fish) else self._bears\n",
    "                #print(f'A fight!!  Of strengths {obj._strength} and {self[target_location]._strength}, {to_delete._strength} loses')\n",
    "                self._delete_object(to_delete, object_list)\n",
    "               \n",
    "        #if not the same, check who is the fish...\n",
    "        elif isinstance(obj, self.Fish):\n",
    "            self._delete_object(obj, self._fish)\n",
    "        elif isinstance(self[target_location], self.Fish):\n",
    "            self._delete_object(self[target_location], self._fish)\n",
    "            \n",
    "            \n",
    "Game1 = RiverEcosystem2(100)\n",
    "print('Currently playing a game with 3 bears and 10 fish')\n",
    "for _ in range(40):\n",
    "    print (Game1)\n",
    "    Game1.timestep()\n",
    "print('\\n\\n')\n",
    "    \n",
    "Game2 = RiverEcosystem2(100, 10, 10)\n",
    "print ('Currently playing a game with 10 bears and 10 fish')\n",
    "for _ in range(40):\n",
    "    print (Game2)\n",
    "    Game2.timestep()\n",
    "    \n",
    "    \n",
    "b1, b2 = Game2._bears[0], Game2._bears[1]"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 40,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "Current message is: Nothing to report... \n",
      "\n",
      "You have purchased the following books:\n",
      "Book: Alice in Wonderland, Price: 5.58152522697133, Purchased: True\n",
      "Book: Frankenstein, Price: 16.487673424236796, Purchased: True\n",
      "\n",
      "The following books are available for purchase:\n",
      "Book: Dracula, Price: 10.998548906384219, Purchased: False\n",
      "Book: Pride and Prejudice, Price: 2.150794896709954, Purchased: False\n",
      "Book: Ulysses, Price: 8.096320531960483, Purchased: False\n",
      "\n",
      "Your current balance is:  977.9308013487919\n",
      "Your current book is: None\n",
      "\n",
      "0\n",
      "ï»¿Project Gutenbergâs Aliceâs Adventures in Wonderland, by Lewis Carroll\n",
      "\n",
      "\n",
      "\n",
      "This eBook is for the use of anyone anywhere at no cost and with\n",
      "\n",
      "almost no restrictions whatsoever.  You may copy it, give it away or\n",
      "\n",
      "re-use it under the terms of the Project Gutenberg License included\n",
      "\n",
      "with this eBook or online at www.gutenberg.org\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "Title: Aliceâs Adventures in Wonderland\n",
      "\n",
      "\n",
      "\n",
      "Author: Lewis Carroll\n",
      "\n",
      "\n",
      "\n",
      "Posting Date: June 25, 2008 [EBook #11]\n",
      "\n",
      "Release Date: March, 1994\n",
      "\n",
      "Last Updated: October 6, 2016\n",
      "\n",
      "1\n",
      "\n",
      "\n",
      "Language: English\n",
      "\n",
      "\n",
      "\n",
      "Character set encoding: UTF-8\n",
      "\n",
      "\n",
      "\n",
      "*** START OF THIS PROJECT GUTENBERG EBOOK ALICEâS ADVENTURES IN WONDERLAND ***\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "2\n",
      "\n",
      "\n",
      "ALICEâS ADVENTURES IN WONDERLAND\n",
      "\n",
      "\n",
      "\n",
      "Lewis Carroll\n",
      "\n",
      "\n",
      "\n",
      "THE MILLENNIUM FULCRUM EDITION 3.0\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "CHAPTER I. Down the Rabbit-Hole\n",
      "\n",
      "\n",
      "\n",
      "Alice was beginning to get very tired of sitting by her sister on the\n",
      "\n",
      "bank, and of having nothing to do: once or twice she had peeped into the\n",
      "\n",
      "book her sister was reading, but it had no pictures or conversations in\n",
      "\n",
      "3\n",
      "it, âand what is the use of a book,â thought Alice âwithout pictures or\n",
      "\n",
      "conversations?â\n",
      "\n",
      "\n",
      "\n",
      "So she was considering in her own mind (as well as she could, for the\n",
      "\n",
      "hot day made her feel very sleepy and stupid), whether the pleasure\n",
      "\n",
      "of making a daisy-chain would be worth the trouble of getting up and\n",
      "\n",
      "picking the daisies, when suddenly a White Rabbit with pink eyes ran\n",
      "\n",
      "close by her.\n",
      "\n",
      "\n",
      "\n",
      "There was nothing so VERY remarkable in that; nor did Alice think it so\n",
      "\n",
      "VERY much out of the way to hear the Rabbit say to itself, âOh dear!\n",
      "\n",
      "Oh dear! I shall be late!â (when she thought it over afterwards, it\n",
      "\n",
      "occurred to her that she ought to have wondered at this, but at the time\n",
      "\n",
      "it all seemed quite natural); but when the Rabbit actually TOOK A WATCH\n",
      "\n",
      "OUT OF ITS WAISTCOAT-POCKET, and looked at it, and then hurried on,\n",
      "\n",
      "4\n",
      "Alice started to her feet, for it flashed across her mind that she had\n",
      "\n",
      "never before seen a rabbit with either a waistcoat-pocket, or a watch\n",
      "\n",
      "to take out of it, and burning with curiosity, she ran across the field\n",
      "\n",
      "after it, and fortunately was just in time to see it pop down a large\n",
      "\n",
      "rabbit-hole under the hedge.\n",
      "\n",
      "\n",
      "\n",
      "In another moment down went Alice after it, never once considering how\n",
      "\n",
      "in the world she was to get out again.\n",
      "\n",
      "\n",
      "\n",
      "The rabbit-hole went straight on like a tunnel for some way, and then\n",
      "\n",
      "dipped suddenly down, so suddenly that Alice had not a moment to think\n",
      "\n",
      "about stopping herself before she found herself falling down a very deep\n",
      "\n",
      "well.\n",
      "\n",
      "\n",
      "\n",
      "Either the well was very deep, or she fell very slowly, for she had\n",
      "\n",
      "5\n",
      "plenty of time as she went down to look about her and to wonder what was\n",
      "\n",
      "going to happen next. First, she tried to look down and make out what\n",
      "\n",
      "she was coming to, but it was too dark to see anything; then she\n",
      "\n",
      "looked at the sides of the well, and noticed that they were filled with\n",
      "\n",
      "cupboards and book-shelves; here and there she saw maps and pictures\n",
      "\n",
      "hung upon pegs. She took down a jar from one of the shelves as\n",
      "\n",
      "she passed; it was labelled âORANGE MARMALADEâ, but to her great\n",
      "\n",
      "disappointment it was empty: she did not like to drop the jar for fear\n",
      "\n",
      "of killing somebody, so managed to put it into one of the cupboards as\n",
      "\n",
      "she fell past it.\n",
      "\n",
      "\n",
      "\n",
      "âWell!â thought Alice to herself, âafter such a fall as this, I shall\n",
      "\n",
      "think nothing of tumbling down stairs! How brave theyâll all think me at\n",
      "\n",
      "home! Why, I wouldnât say anything about it, even if I fell off the top\n",
      "\n",
      "of the house!â (Which was very likely true.)\n",
      "\n",
      "6\n",
      "\n",
      "\n",
      "Down, down, down. Would the fall NEVER come to an end! âI wonder how\n",
      "\n",
      "many miles Iâve fallen by this time?â she said aloud. âI must be getting\n",
      "\n",
      "somewhere near the centre of the earth. Let me see: that would be four\n",
      "\n",
      "thousand miles down, I think--â (for, you see, Alice had learnt several\n",
      "\n",
      "things of this sort in her lessons in the schoolroom, and though this\n",
      "\n",
      "was not a VERY good opportunity for showing off her knowledge, as there\n",
      "\n",
      "was no one to listen to her, still it was good practice to say it over)\n",
      "\n",
      "â--yes, thatâs about the right distance--but then I wonder what Latitude\n",
      "\n",
      "or Longitude Iâve got to?â (Alice had no idea what Latitude was, or\n",
      "\n",
      "Longitude either, but thought they were nice grand words to say.)\n",
      "\n",
      "\n",
      "\n",
      "Presently she began again. âI wonder if I shall fall right THROUGH the\n",
      "\n",
      "earth! How funny itâll seem to come out among the people that walk with\n",
      "\n",
      "their heads downward! The Antipathies, I think--â (she was rather glad\n",
      "\n",
      "7\n",
      "there WAS no one listening, this time, as it didnât sound at all the\n",
      "\n",
      "right word) â--but I shall have to ask them what the name of the country\n",
      "\n",
      "is, you know. Please, Maâam, is this New Zealand or Australia?â (and\n",
      "\n",
      "she tried to curtsey as she spoke--fancy CURTSEYING as youâre falling\n",
      "\n",
      "through the air! Do you think you could manage it?) âAnd what an\n",
      "\n",
      "ignorant little girl sheâll think me for asking! No, itâll never do to\n",
      "\n",
      "ask: perhaps I shall see it written up somewhere.â\n",
      "\n",
      "\n",
      "\n",
      "Down, down, down. There was nothing else to do, so Alice soon began\n",
      "\n",
      "talking again. âDinahâll miss me very much to-night, I should think!â\n",
      "\n",
      "(Dinah was the cat.) âI hope theyâll remember her saucer of milk at\n",
      "\n",
      "tea-time. Dinah my dear! I wish you were down here with me! There are no\n",
      "\n",
      "mice in the air, Iâm afraid, but you might catch a bat, and thatâs very\n",
      "\n",
      "like a mouse, you know. But do cats eat bats, I wonder?â And here Alice\n",
      "\n",
      "began to get rather sleepy, and went on saying to herself, in a dreamy\n",
      "\n",
      "8\n",
      "sort of way, âDo cats eat bats? Do cats eat bats?â and sometimes, âDo\n",
      "\n",
      "bats eat cats?â for, you see, as she couldnât answer either question,\n",
      "\n",
      "it didnât much matter which way she put it. She felt that she was dozing\n",
      "\n",
      "off, and had just begun to dream that she was walking hand in hand with\n",
      "\n",
      "Dinah, and saying to her very earnestly, âNow, Dinah, tell me the truth:\n",
      "\n",
      "did you ever eat a bat?â when suddenly, thump! thump! down she came upon\n",
      "\n",
      "a heap of sticks and dry leaves, and the fall was over.\n",
      "\n",
      "\n",
      "\n",
      "Alice was not a bit hurt, and she jumped up on to her feet in a moment:\n",
      "\n",
      "she looked up, but it was all dark overhead; before her was another\n",
      "\n",
      "long passage, and the White Rabbit was still in sight, hurrying down it.\n",
      "\n",
      "There was not a moment to be lost: away went Alice like the wind, and\n",
      "\n",
      "was just in time to hear it say, as it turned a corner, âOh my ears\n",
      "\n",
      "and whiskers, how late itâs getting!â She was close behind it when she\n",
      "\n",
      "turned the corner, but the Rabbit was no longer to be seen: she found\n",
      "\n",
      "9\n",
      "herself in a long, low hall, which was lit up by a row of lamps hanging\n",
      "\n",
      "from the roof.\n",
      "\n",
      "\n",
      "\n",
      "There were doors all round the hall, but they were all locked; and when\n",
      "\n",
      "Alice had been all the way down one side and up the other, trying every\n",
      "\n",
      "door, she walked sadly down the middle, wondering how she was ever to\n",
      "\n",
      "get out again.\n",
      "\n",
      "\n",
      "\n",
      "Suddenly she came upon a little three-legged table, all made of solid\n",
      "\n",
      "glass; there was nothing on it except a tiny golden key, and Aliceâs\n",
      "\n",
      "first thought was that it might belong to one of the doors of the hall;\n",
      "\n",
      "but, alas! either the locks were too large, or the key was too small,\n",
      "\n",
      "but at any rate it would not open any of them. However, on the second\n",
      "\n",
      "time round, she came upon a low curtain she had not noticed before, and\n",
      "\n",
      "behind it was a little door about fifteen inches high: she tried the\n",
      "\n",
      "10\n",
      "little golden key in the lock, and to her great delight it fitted!\n",
      "\n",
      "\n",
      "\n",
      "Alice opened the door and found that it led into a small passage, not\n",
      "\n",
      "much larger than a rat-hole: she knelt down and looked along the passage\n",
      "\n",
      "into the loveliest garden you ever saw. How she longed to get out of\n",
      "\n",
      "that dark hall, and wander about among those beds of bright flowers and\n",
      "\n",
      "those cool fountains, but she could not even get her head through the\n",
      "\n",
      "doorway; âand even if my head would go through,â thought poor Alice, âit\n",
      "\n",
      "would be of very little use without my shoulders. Oh, how I wish I could\n",
      "\n",
      "shut up like a telescope! I think I could, if I only knew how to begin.â\n",
      "\n",
      "For, you see, so many out-of-the-way things had happened lately,\n",
      "\n",
      "that Alice had begun to think that very few things indeed were really\n",
      "\n",
      "impossible.\n",
      "\n",
      "\n",
      "\n",
      "There seemed to be no use in waiting by the little door, so she went\n",
      "\n",
      "500\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "\n",
      "20\n",
      "\n",
      "\n",
      "Alice took up the fan and gloves, and, as the hall was very hot, she\n",
      "\n",
      "kept fanning herself all the time she went on talking: âDear, dear! How\n",
      "\n",
      "queer everything is to-day! And yesterday things went on just as usual.\n",
      "\n",
      "I wonder if Iâve been changed in the night? Let me think: was I the\n",
      "\n",
      "same when I got up this morning? I almost think I can remember feeling a\n",
      "\n",
      "little different. But if Iâm not the same, the next question is, Who\n",
      "\n",
      "in the world am I? Ah, THATâS the great puzzle!â And she began thinking\n",
      "\n",
      "over all the children she knew that were of the same age as herself, to\n",
      "\n",
      "see if she could have been changed for any of them.\n",
      "\n",
      "\n",
      "\n",
      "âIâm sure Iâm not Ada,â she said, âfor her hair goes in such long\n",
      "\n",
      "ringlets, and mine doesnât go in ringlets at all; and Iâm sure I canât\n",
      "\n",
      "be Mabel, for I know all sorts of things, and she, oh! she knows such a\n",
      "\n",
      "very little! Besides, SHEâS she, and Iâm I, and--oh dear, how puzzling\n",
      "\n",
      "Invalid input\n"
     ]
    }
   ],
   "source": [
    "#----------------P2-38-------------------------\n",
    "import random\n",
    "from pathlib import Path\n",
    "from IPython.display import clear_output\n",
    "\n",
    "\"\"\"\n",
    "Areas for improvement:\n",
    "- Page select\n",
    "- Improve the flow between the book class and the main program\n",
    "\n",
    "\n",
    "\"\"\"\n",
    "\n",
    "\n",
    "class EbookReader():\n",
    "    class Book():\n",
    "        MIN_PRICE = 2\n",
    "        MAX_PRICE = 20\n",
    "        LINES_PER_PAGE = 15\n",
    "        def __init__(self, filepath):\n",
    "            self._name = str(filepath.name).replace('.txt', '')\n",
    "            self._filepath = filepath\n",
    "            self._price = random.random()*(self.MAX_PRICE-self.MIN_PRICE) + self.MIN_PRICE\n",
    "            self._purchased = False\n",
    "            self._current_position = 0\n",
    "            self._iostream = open(self._filepath, encoding = 'latin-1')\n",
    "            self._length = self.determine_length()\n",
    "            \n",
    "        def __repr__(self):\n",
    "            return(f'Book: {self._name}, Price: {self._price}, Purchased: {self._purchased}')\n",
    "        \n",
    "        def purchase_book(self):\n",
    "            self._purchased = True\n",
    "            \n",
    "        def open_book(self):\n",
    "            if self._purchased:\n",
    "                return open(self._filepath)\n",
    "            else:\n",
    "                print('Please purchase this book first!')\n",
    "                return None\n",
    "            \n",
    "        def seek_path(self, page=0):\n",
    "            self._iostream.seek(0)\n",
    "            num_lines = page*self.LINES_PER_PAGE\n",
    "            for _ in range(num_lines):\n",
    "                self._iostream.readline()\n",
    "            \n",
    "        def read_book(self, page = None):\n",
    "            if not self._purchased:\n",
    "                print('Please purchase this book first!')\n",
    "                return False\n",
    "            else:\n",
    "                start = self._current_position if page is None else page\n",
    "                print(start)\n",
    "                fp = self._iostream\n",
    "                self.seek_path(start)\n",
    "                for _ in range(self.LINES_PER_PAGE):\n",
    "                    print(fp.readline())\n",
    "                \n",
    "                self._current_position = start + 1\n",
    "                return True\n",
    "            \n",
    "        def __len__(self):\n",
    "            return self._length\n",
    "        \n",
    "        \n",
    "        def __getitem__(self, value):\n",
    "            #Choose this order to shortcircuit in the event that it is not an int\n",
    "            if isinstance(value, int) and value < len(self) and value>0:\n",
    "                self.read_book(value)\n",
    "            else:\n",
    "                print('Invalid input')\n",
    "                \n",
    "        def determine_length(self):\n",
    "            self._iostream.seek(0)\n",
    "            lines = self._iostream.readlines()\n",
    "            return len(lines)\n",
    "        \n",
    "            \n",
    "            \n",
    "    def __init__(self, book_dir = 'SampleFiles/Chapter 2 Books'):\n",
    "        self._book_dir = Path(book_dir)\n",
    "        self._library = self._build_book_dictionary()\n",
    "        self._balance = 0\n",
    "        self._currentbook = None\n",
    "        self._statusmessage = 'Nothing to report...'\n",
    "        \n",
    "        \n",
    "    def load_money(self, value):\n",
    "        try:\n",
    "            self._balance += float(value)\n",
    "            return True\n",
    "        except Exception as e:\n",
    "            self.out(f'Invalid input: {e}')\n",
    "            return False\n",
    "        \n",
    "        \n",
    "    def out(self, message):\n",
    "        self._statusmessage = message\n",
    "        \n",
    "    def purchase_book(self, bookname):\n",
    "        if bookname in self._library:\n",
    "            book = self._library[bookname]\n",
    "            if book._purchased:\n",
    "                self.out('You have already purchased this book')\n",
    "                return False\n",
    "            elif self._balance >= book._price: \n",
    "                book.purchase_book()\n",
    "                self._balance -= book._price\n",
    "                return True\n",
    "            else:\n",
    "                self.out('You have insufficient funds for that purchase')\n",
    "                return False\n",
    "            \n",
    "        else:\n",
    "            self.out('Book not in library')\n",
    "            return False\n",
    "        \n",
    "    def read_book(self, bookname, page = None):\n",
    "        #Need to add more error handling here...\n",
    "        if bookname in self._library:\n",
    "            self._library[bookname].read_book(page = page)\n",
    "            self._currentbook = self._library[bookname]\n",
    "            return True\n",
    "        else:\n",
    "            self.out('Book not found')\n",
    "            return False\n",
    "        \n",
    "        \n",
    "    def _read_page(self, book, page = None):\n",
    "        book.read_book(page = page)\n",
    "        return True\n",
    "\n",
    "    \n",
    "        \n",
    "    def _build_book_dictionary(self):\n",
    "        #create a list of all the books\n",
    "        booklist = {str(x.name).replace('.txt', ''):self.Book(x) for x in self._book_dir.iterdir() if str(x).endswith('.txt')}\n",
    "        return booklist\n",
    "        \n",
    "    def _print_catalog(self):\n",
    "        print(\"The following books are available for purchase:\")\n",
    "        for book in self._library.values():\n",
    "            if not book._purchased: print(book)\n",
    "                \n",
    "    def _print_owned(self):\n",
    "        print('You have purchased the following books:')\n",
    "        for book in self._library.values():\n",
    "            if book._purchased: print(book)\n",
    "               \n",
    "    def _print_balance(self):\n",
    "        print('\\nYour current balance is: ', self._balance)\n",
    "    \n",
    "    def __repr__(self):\n",
    "        #clear_output()\n",
    "        print('Current message is:', self._statusmessage, '\\n')\n",
    "        self._print_owned()\n",
    "        print('')\n",
    "        self._print_catalog()\n",
    "        self._print_balance()\n",
    "        \n",
    "        print('Your current book is:', self._currentbook)\n",
    "        return('')  #Note: a call to print expects a returned string\n",
    "    \n",
    "    def console(self):\n",
    "        clear_output()\n",
    "        self._read_page(self._currentbook)\n",
    "        \n",
    "        print(self)\n",
    "        print('Commands are: Purchase, Open, Next (for the next page)')\n",
    "        input_results = self.get_input()\n",
    "        return input_results\n",
    "        \n",
    "    \n",
    "    \n",
    "    def get_input(self):\n",
    "        input_string = input()\n",
    "        \n",
    "        if input_string == 'exit':\n",
    "            return False\n",
    "        \n",
    "        elif input_string.lower() == 'purchase':\n",
    "            input_purchase = input('Which book would you like to purchase')\n",
    "            self.purchase_book(input_purchase)\n",
    "            return True #purchase a new book if you can\n",
    "            \n",
    "        \n",
    "        elif input_string == 'next':\n",
    "            #self.current_book\n",
    "            return True #read the next page of the book\n",
    "        \n",
    "        \n",
    "        elif input_string == 'open':\n",
    "            input_book = input('Which book would you like to open')\n",
    "            \n",
    "            self._currentbook = input_book\n",
    "            #open a new book (position of the old one is still saved)\n",
    "            return True\n",
    "            \n",
    "        else:\n",
    "            self.out('Invalid input')\n",
    "            return True\n",
    "    \n",
    "            \n",
    "            \n",
    "eb1 = EbookReader()       \n",
    "eb1.load_money(1000)\n",
    "eb1.purchase_book('Alice in Wonderland')\n",
    "eb1.purchase_book('Frankenstein')\n",
    "print(eb1)\n",
    "\n",
    "eb1.read_book('Alice in Wonderland')\n",
    "for _ in range(10):\n",
    "    eb1.read_book('Alice in Wonderland')\n",
    "    \n",
    "eb1.read_book ('Alice in Wonderland', 500)\n",
    "eb1._library['Alice in Wonderland'][20]\n",
    "eb1._library['Alice in Wonderland']['ollo']"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 41,
   "metadata": {},
   "outputs": [
    {
     "data": {
      "text/plain": [
       "'Run this cell for console mode'"
      ]
     },
     "execution_count": 41,
     "metadata": {},
     "output_type": "execute_result"
    }
   ],
   "source": [
    "\"\"\"Run this cell for console mode\"\"\"\n",
    "#continue_program = True\n",
    "#while continue_program:\n",
    "#    try:\n",
    "#        continue_program = eb1.console()\n",
    "#    except:\n",
    "#        continue_program = False"
   ]
  },
  {
   "cell_type": "code",
   "execution_count": 42,
   "metadata": {},
   "outputs": [
    {
     "name": "stdout",
     "output_type": "stream",
     "text": [
      "5 0.9682458365518543\n",
      "9 3.897114317029974\n",
      "[3, 3, 3]\n"
     ]
    }
   ],
   "source": [
    "#---------------------R2-39------------------------\n",
    "\"\"\"Note, this wasn't as fleshed out as the other answers since the final objective wasn't as clear/interesting\"\"\"\n",
    "\n",
    "\n",
    "from abc import abstractmethod, ABCMeta\n",
    "import math\n",
    "\n",
    "class Polygon(metaclass = ABCMeta):\n",
    "    def __init__(self, side_lengths = [1,1,1], num_sides = 3):\n",
    "        self._side_lengths = side_lengths\n",
    "        self._num_sizes = 3\n",
    "        \n",
    "    @abstractmethod\n",
    "    def area(self):\n",
    "        pass\n",
    "    \n",
    "    @abstractmethod\n",
    "    def perimeter(self):\n",
    "        pass\n",
    "    \n",
    "    def __repr__(self):\n",
    "        return (str(self._side_lengths))\n",
    "    \n",
    "    \n",
    "    \n",
    "class Triangle(Polygon):\n",
    "    def __init__(self, side_lengths):\n",
    "        super().__init__(side_lengths, 3)\n",
    "        self._perimeter = self.perimeter()\n",
    "        self._area = self.area()\n",
    "        \n",
    "    \n",
    "    def perimeter(self):\n",
    "        return(sum(self._side_lengths))\n",
    "        \n",
    "    def area(self):\n",
    "        s = self._perimeter/2\n",
    "        product = s\n",
    "        for i in self._side_lengths:\n",
    "            product*=(s-i)\n",
    "        return product**0.5\n",
    "    \n",
    "    \n",
    "class EquilateralTriangle(Triangle):\n",
    "    def __init__(self, length):\n",
    "        super().__init__([length]*3)\n",
    "        \n",
    "        \n",
    "t1 = Triangle([1,2,2])\n",
    "print(t1.perimeter(), t1.area())\n",
    "\n",
    "\n",
    "t2 = EquilateralTriangle(3)\n",
    "print(t2.perimeter(), t2.area())\n",
    "print(t2)"
   ]
  },
  {
   "cell_type": "markdown",
   "metadata": {},
   "source": [
    "End of Chapter 2!"
   ]
  }
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