## Check if a rectangle is a square
# reusable function
def is_square(length, width):
    return length == width
while True:
    length = input("Give me length of a rectangle: ")
    try:
        length = int(length)
    except:
        print('You have to type a number!')
    if type(length) is int:
        break
while True:
    width = input("Give me width of a rectangle: ")
    try:
        width = int(width)
    except:
        print('You have to type a number!')
        
    if type(width) is not int:
        print('You have to type a number!')
    elif type(width) is int:
        break
# Check if is square using function
if is_square(length, width):
    print('It is a square!')
else:
    print('It is not a square!')