def rectangle_calculator(question):
    error = "Please enter an number higher than 0"
    while True:
        try:
            side = float(input(question))
            if side > 0:
                return side
            else:
                print(error)

        except ValueError:
            print(error)


long_length=rectangle_calculator("enter the size of your long side: ")
short_length=rectangle_calculator("enter the size of your short side: ")
area=(long_length*short_length)
perimeter=(long_length+long_length+short_length+short_length)
if long_length < short_length:
    print("Your short side can not be greater than the long side")
else:
    print(f"The area of the square is: {area}")
    print(f"The perimeter of the square is: {perimeter}")