006 and 007 changes after Roxy comments

Author: giumas

006_Read_and_Write_Text_Files.ipynb

@@ -21,7 +21,7 @@
    "source": [
     "You have learned about lists as well as how to write your own functions with loops and conditional statements. As such, you can already write programs performing a variety of tasks. \n",
     "\n",
-    "However, something that is currently missing is a mechanism to access the data that you want to analyze. A very common way to access these data is through (local or remotely-stored) [files](https://en.wikipedia.org/wiki/Computer_file)."
+    "However, something that you are currently missing is a mechanism to access the data that you want to analyze. A very common way to access these data is through (local or remotely-stored) [files](https://en.wikipedia.org/wiki/Computer_file)."
    ]
   },
   {
@@ -78,7 +78,7 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "We will first introduce some file managing capability of the `os` [Python module](https://docs.python.org/3.6/tutorial/modules.html#modules), then we will describe the use of the functions that Python natively provides for [reading and writing the content of a text file](https://docs.python.org/3.6/tutorial/inputoutput.html)."
+    "We will first introduce some file managing capability of the `os` [Python module](https://docs.python.org/3.6/tutorial/modules.html#modules), then we will describe the use of the functions that Python provides for [reading and writing the content of a text file](https://docs.python.org/3.6/tutorial/inputoutput.html)."
    ]
   },
   {
@@ -127,17 +127,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 1,
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "The current folder is: C:\\code\\hyo2\\epom\\python_basics\n"
-     ]
-    }
-   ],
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
    "source": [
     "import os\n",
     "\n",
@@ -176,17 +168,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 2,
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "The data folder is: C:\\code\\hyo2\\epom\\python_basics\\data\n"
-     ]
-    }
-   ],
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
    "source": [
     "def get_data_folder():\n",
     "    cur_folder = os.path.abspath(os.path.curdir)\n",
@@ -226,17 +210,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 3,
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "The data paths are: ['C:\\\\code\\\\hyo2\\\\epom\\\\python_basics\\\\data\\\\ctd.txt', 'C:\\\\code\\\\hyo2\\\\epom\\\\python_basics\\\\data\\\\sal.txt', 'C:\\\\code\\\\hyo2\\\\epom\\\\python_basics\\\\data\\\\temp.txt']\n"
-     ]
-    }
-   ],
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
    "source": [
     "def get_data_paths():\n",
     "    data_paths = list()  # create a empty list that will be populate and returned\n",
@@ -289,17 +265,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 4,
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "The file path with index 1 is: C:\\code\\hyo2\\epom\\python_basics\\data\\sal.txt\n"
-     ]
-    }
-   ],
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
    "source": [
     "sal_path = retrieved_paths[1]\n",
     "print(\"The file path with index 1 is: \" + sal_path)"
@@ -379,37 +347,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 5,
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "31.4\n",
-      "31.6\n",
-      "30.5\n",
-      "30.8\n",
-      "30.4\n",
-      "31.4\n",
-      "31.6\n",
-      "30.5\n",
-      "30.3\n",
-      "30.2\n",
-      "31.4\n",
-      "31.6\n",
-      "32.5\n",
-      "30.8\n",
-      "31.4\n",
-      "31.7\n",
-      "31.6\n",
-      "31.5\n",
-      "30.2\n",
-      "30.4\n",
-      "\n"
-     ]
-    }
-   ],
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
    "source": [
     "sal_file = open(sal_path)\n",
     "\n",
@@ -568,17 +508,9 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 6,
-   "metadata": {},
-   "outputs": [
-    {
-     "name": "stdout",
-     "output_type": "stream",
-     "text": [
-      "The output folder is: C:\\code\\hyo2\\epom\\python_basics\\output\n"
-     ]
-    }
-   ],
+   "execution_count": null,
+   "metadata": {},
+   "outputs": [],
    "source": [
     "def get_output_folder():\n",
     "    cur_folder = os.path.abspath(os.path.curdir)\n",
@@ -618,7 +550,7 @@
   },
   {
    "cell_type": "code",
-   "execution_count": 7,
+   "execution_count": null,
    "metadata": {},
    "outputs": [],
    "source": [

007_Dictionaries_and_Metadata.ipynb

@@ -19,11 +19,11 @@
    "cell_type": "markdown",
    "metadata": {},
    "source": [
-    "It is time to enrich your baggage of Python containers with a new useful one: the `dict`.\n",
+    "It is time to enrich your knowledge of Python containers with a useful new one: the `dict`.\n",
     "\n",
-    "Each item in a `dict` is represented by a pair of a key and the corresponding value. \n",
+    "Each item in a `dict` is represented by a pair with a key and the corresponding value. \n",
     "\n",
-    "For example, a `dict` can be used to map a [chemical symbol](https://en.wikipedia.org/wiki/Symbol_(chemistry)) to the corresponding element name. Thus, a possible pair would be `H` as symbol and `Hydrogen` as element name."
+    "For example, a `dict` can be used to map a [chemical symbol](https://en.wikipedia.org/wiki/Symbol_(chemistry)) to the corresponding element name. Thus, a possible pair would be `H` as symbol and `Hydrogen` as the element name."
    ]
   },
   {
@@ -531,7 +531,7 @@
    "source": [
     "We now introduce a new method that achieves the same result by using the `%` modulo operator.\n",
     "\n",
-    "These are a couple of examples of its usage:"
+    "Below are a couple of examples of its usage:"
    ]
   },
   {