# -*- coding:utf-8 -*- ''' while 条件: 循环体 终止循环 else: while else 解释:当循环体中没有被break打断则会运行else,打断则不会运行else ''' # 例子 a = 0 while a < 5: print(a) a += 1 break else: print('循环结束') # 0