摘要：""" goods=[[1,"iphone",5800],[2,"book",90],[3,"computer",9000],[4,"coffee",90],[5,"pen",100]] salary = int(input("salary:")) if salary: print(goods) print("请输入购买商品的编号：") num = int(input("num:")) ... 阅读全文

摘要：https://www.cnblogs.com/ahu-lichang/p/6645074.html 阅读全文

摘要：作业：编写登录接口 输入用户名密码 认证成功后显示欢迎信息 输错三次后锁定 阅读全文