# Checks that user enter an integer
#that is more than 13
def int_check():

    while True:
        error = "Please enter an integer that is 13 or more."

        try:
            response = int(input("Enter an integer"))

            # checks that the number is mroe than / equal to 13
            if response <13:
                print(error)
            else:
                return  response

        except ValueError:
            print(error)