借助range函数循环三次
#!/usr/bin/env python3 # -*- coding: utf-8 -*- # @Author: # @Date : 2018/6/25 b = 8 a = 0 for i in range(3): a = int(input("lucky number:")) if a > b: print("小一点!") elif a < b: print("大一点!") else: print("Bingo!") break else: print("次数已用完!")