#This program caculates the perimeter and area of differnt shapes

print ("This program caculates the perimeter and area of differnt shapes")

keep_going = ""

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

    if shape == "s":
    print("square")
    side = float(input("Enter the length of a side "))
    sqaure_area = side **2
    square_perimeter = side * 4
    print(f"The perimeter of your square is {square_perimeter} the area is {square_area}")
    
   
    elif shape == "rectangle":
    print ("rectangle")
    length = float(input("Enter the length of the rectangle "))
    width = float(input("Enter the width of a 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("Enter the radius of the circle "))
        perimeter = (2 * radius) * 3.14
        area = 3.14 * radius**2
        print(f"The circumference of the circle is {perimeter} "
    
    
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")