摘要: #! /usr/bin/env python# -*- coding:utf-8 -*-def xrange(n): num = 0 while True: if num > n: return print(num) yield num num += 1obj = xrange(5)# obj 就是 阅读全文
posted @ 2018-04-23 20:36 wuxinyan 阅读(144) 评论(0) 推荐(0)