# This progam calculates the perimeter and area of different shapes

print("This progam calculates the perimeter and area of different shapes")

keep_going = ""

while keep_going == "":
    shape = input("choose a shape from square, rectangle or circle ")

    #check user input

    if shape == "square":
        side = float(input("enter the lengh of a side "))
        squere_perimeter = side*4
        square_area = side**2
        print(f"The perimeter of a square with a length of {side} = {square_perimeter} the area = {square_area}")
        print("square")
    elif shape == "rectangle":
        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} "
              f"the area is {area}")
    elif shape == "c":
        print("circle")
        radius = float(input("Enter the radius of the circle "))
        perimeter = (2 * radius) * 3.14
        area = math.pi*(radius**2)
        print(f"The perimeter of the circle is{perimeter} "
              f"the area is {area}")
    else:
        print("circle")
        radius = float(input("Enter the radius of the circle "))
        perimeter = 2 * radius * 3.14
        area = 3.14 * radius**2
        print(f"The perimeter of the circle is {perimeter} "
              f"the area is {area}")

    keep_going = input("To enter another shape enter or any key to exit")    

print("The program has ended")