# This program calculates the perimeter and area of different shapes

print("This program calculates the perimeter and area of different shapes.. lets begin")
shape = input("Choose a shape from square (S), rectangle (R) or circle (C) ").upper()

# variables
keep_going = "Yes".upper()


if shape == "S":
    print("square")
    side = float(input("Enter the length of a side "))
    square_area = side ** 2
    square_perimeter = side * 4
    print(f"The perimeter of a square with a length of {side} is {square_perimeter} "
          f"the area is {square_area}")
    keep_going = input("do you want to try a different shape? type yes to contiune or no to exit").upper()
elif shape == "R":
    print("rectangle")
    side = float(input("Enter the length of a side "))
    side2 = float(input("Enter the length of the other side "))
    square_area = side * side2
    square_perimeter = side * 2 + side2 * 2
    print(f"The perimeter of a rectangle with a length of {side} and a second length of {side2} is {square_perimeter} "
          f"the area is {square_area}")
    keep_going = input("do you want to try a different shape? type yes to contiune or no to exit").upper()
elif shape == "C":
    print("Circle")
    radius = float(input("Enter the length of the radius "))
    circumference = radius * 3
    square_perimeter = radius * 2 * 3.141592
    square_area = (radius ** 2) * 3.141592
    print(f"The perimeter of a rectangle with a radius of {radius} which also has a circumfrance of {circumfrance}, is {square_perimeter} "f"the area is {square_area}")
    keep_going = input("do you want to try a different shape? type yes to contiune or no to exit").upper()

    
elif keep_going == "no":
    print("The program has ended")

else:
    print("Incorrect shape entered")
    keep_going = input("do you want to try a different shape? type yes to contiune or no to exit").upper()