#shape perimeter calcultor v2

print("This prograam calculates the perimeter and area of diffrent shapes")

keep_going = ""
while keep_going == "":
    
    shape = input("Choose a shape from square (s), rectangle (r) or circle (c) ")

    if shape =="s":
        side = float(input("Enter the length of a side "))
        square_perimeter = side*4
        square_area = side**2
        print(f"The perimeter of a square with a length of {side} the perimeter = {square_perimeter} the area = {square_area}")
        print("Square")

    elif shape =="r":
        print("rectangle")
        length = float(input("Enter the length of the rectangle. "))
        width  = float(input("Enter the width of the rectangle. "))
        perimeter = (length + width) *2
        area = width * length
        print(f"The perimeter of the rectangle is {perimeter} The area is {area}")

    elif shape =="c":
        print("circle")
        radius =float(input("What is the radius "))
        area = (2 * radius) *3.141
        circumference = 3.141 * radius**2
        print (f"The area of the circle is {area} The circumference is {circumference}")

    else:
        print("that is not a valid shape")
        
    keep_going = input("to enter another shape press enter or any key to exit")

print("The program has ended")