#This program caculates the perimeter and area of diffrent shapes

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

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

#check user input
if shape == "square":
    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 lenght of (sidel) is (square_perimeter)"
          f" the area is (square_area)")
                 
elif shape == "rectangle":
    print("rectangle")
    lenght = float(input("Enter the lenght of 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 == "rectangle":
        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) "
      f"the area is (area) ")
else:
    print("That is not a valid shape")
     print(" the program has ended")