Create main.py

Author: phillipai

day97/main.py

@@ -0,0 +1,80 @@
+import time
+
+
+def clear_screen():
+    clear = "\n" * 100
+    print(clear)
+
+
+def percent_of_num():
+    print("You chose option #1 - What is x % of y?\n")
+    x = float(input("What is the value of x?: "))
+    y = float(input("What is the value of y?: "))
+    answer = f"\n{x} is {(x * y) / 100}% of {y}\n"
+    print(answer)
+    another_calc()
+
+
+def num_percent_of_num():
+    print("You chose option #2 - x is what % of y?\n")
+    x = float(input("What is the value of x?: "))
+    y = float(input("What is the value of y?: "))
+    answer = f"\n{x} is {(x * 100) / y}% of {y}"
+    print(answer)
+    another_calc()
+
+
+def percent_num_to_num():
+    print("You chose option #3 - What is the % increase/decrease from x to y?\n")
+    x = float(input("What is the value of x?: "))
+    y = float(input("What is the value of y?: "))
+    if x > y:
+        answer = f"\nThere is a -{((x - y) / x) * 100}% difference between {x} and {y}"
+    else:
+        answer = f"\nThere is a +{((y - x) / x) * 100}% difference between {x} and {y}"
+    print(answer)
+    another_calc()
+
+
+def another_calc():
+    response = input("\nWould you like to perform another calculation? (Y/N): ")
+    if response == "Y" or response == "y":
+        clear_screen()
+        main()
+    elif response == "N" or response == "n":
+        clear_screen()
+        print("Thanks for using the Percentage Calculator!")
+    else:
+        clear_screen()
+        print("Choose a valid answer!\n")
+        time.sleep(2)
+        clear_screen()
+        another_calc()
+
+
+def main():
+    print("Types of calculations:\n")
+    print("1. What is x % of y?\n"
+          "2. x is what % of y?\n"
+          "3. What is the % increase/decrease from x to y?\n")
+
+    choice = input("Select a calculation from 1-3: ")
+    if choice == "1":
+        clear_screen()
+        percent_of_num()
+    elif choice == "2":
+        clear_screen()
+        num_percent_of_num()
+    elif choice == "3":
+        clear_screen()
+        percent_num_to_num()
+    else:
+        clear_screen()
+        print("Choose a valid answer!\n")
+        time.sleep(2)
+        clear_screen()
+        main()
+
+
+print("Welcome to the Percentage Calculator!\n")
+main()