第一章作业购物车程序

数据结构:
goods = [
{"name": "电脑", "price": 1999},
{"name": "鼠标", "price": 10},
{"name": "游艇", "price": 20},
{"name": "美女", "price": 998},
......
]

功能要求:
基础要求:

1、启动程序后,输入用户名密码后,让用户输入工资,然后打印商品列表

2、允许用户根据商品编号购买商品

3、用户选择商品后,检测余额是否够,够就直接扣款,不够就提醒

4、可随时退出,退出时,打印已购买商品和余额

5、在用户使用过程中, 关键输出,如余额,商品已加入购物车等消息,需高亮显示
goods = [
 {"name": "电脑", "price": 1999},
 {"name": "鼠标", "price": 10},
 {"name": "游艇", "price": 20},
 {"name": "美女", "price": 998},
]
shopping_cart = []
user_name = input("user_name")
password = input("password")
while True:  # 判断输入的薪水是不是数字类型
    salary = input("salary")
    if salary.isdigit():
        salary = float(salary)
        print("商品列表".center(30, "-"))
        for index, g in enumerate(goods):
            print(index, g)
        break
    else:
        print("薪水应为数字类型,请重新输入")
while True:
    choice = input("请输入想购买的商品编号,退出请输q:")
    if choice.isdigit():
        choice = int(choice)
        if 0 <= choice < len(goods):
            if salary > goods[choice].get("price"):
                shopping_cart.append(goods[choice])
                salary -= goods[choice].get("price")
                print("商品", goods[choice].get("name"), "已加入购物车")
            else:
                print("余额不足,请重新挑选商品")
        else:
            print("商品编号有误,请重新输入")
    elif choice == "q":
        if len(shopping_cart) != 0:
            print("您已购买以下商品,余额为", salary,)
            for index, g in enumerate(shopping_cart):
                print(g)
        else:
            print("您没有购买任何商品")
        break
    else:
        print("商品编号有误,请输入整数类型编号")

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转载自www.cnblogs.com/51zf/p/9185246.html