from random import randint import sys # generate a number 1~10 answer = randint(1, 10) # input from user? # check that input is a number 1~10 while True: try: guess = int(input('guess a number 1~10: ')) if 0 < guess < 11: if guess == answer: print('you are a genius!') break else: print('hey bozo, I said 1~10') except ValueError: print('please enter a number') continue