摘要:
三次登陆 流程图 _user = "aa" _passwd = "123456" count = 0 while count < 3: #当这个条件成立时,执行下面代码 username = input('enter username:') password = input('enter passw 阅读全文
摘要:
常用类型 shop_list = [['iphone',5800],['mac book',8000],['coffee',30],['python book',80],['bicyle',1500]]#申明一个商品列表 shop_car = []#定义一个空别表用来存放自己购买的商品 save_p 阅读全文