# this program calculates the perimeter and area of different shapes

print ("this program calculates the perimeter and area of different shapes ")

shape = input("choose a shape from either, square, rectangle or circle ")

# Check user input

if shape == "square":
    side = float(input("enter the lenth of a side "))
    square_perimeter = side *4
    square_area = side **2
    print(f"the perimeter of a square with a lenth 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}")
    
else:
    print ("circle")

print ("the program has ended")