import time import os goods = [ {"name": "电脑", "price": 100}, {"name": "鼠标", "price": 10}, {"name": "游艇", "price": 1000}, {"name": "美女", "price": 1}, ] shopping_cart = [] _username = "alex" _password = "123" count = 0 while count < 3:#用户名密码循环1 username = input("