摘要: 程序练习 程序:购物车程序 需求: menu = [['Iphone',4288],['Mac pro',1200],['Book',80]] buy_menu = [] salay = input("Pls input your salay:") if salay.isdigit(): salay 阅读全文
posted @ 2017-04-23 12:25 martin1317 阅读(161) 评论(0) 推荐(0) 编辑