【练习题】购物车练习

购物车练习

buy_price = [5800,9000,200,300,500]
buy_shoop = ["iphone6s","mac book","coffee","python book","bicyle"]
print("《购物车程序》")
print("您的余额：5000")
print("商品列表:",
"""
1.  iphone6s    ￥5800
2.  mac book    ￥9000
3.  coffee      ￥200
4.  python book ￥300
5.  bicyle      ￥500
""")

user_buy_shoop = []
user_buy_price = 5000
while True:
    user_buy_id = input("输入您要购买商品的序号或输入quit退出程序>>>:")
    if user_buy_id.isdigit() and 0 < int(user_buy_id) < 6:
        user_buy_id = int(user_buy_id) - 1
        if buy_price[user_buy_id] > user_buy_price:
            print("余额不足", 5000 - (buy_price[user_buy_id]))
        else:
            user_buy_shoop.append(buy_shoop[user_buy_id])
            user_buy_price =  user_buy_price - buy_price[user_buy_id]
            print("已加入 %s 到你的购物车， 当前余额: %d " % (buy_shoop[user_buy_id], user_buy_price))
    elif user_buy_id == 'quit':
        print("您已购买以下商品:")
        for i in user_buy_shoop:
            print(i)
        print("您的余额为: %d" % user_buy_price)
        print("欢迎下次光临!")
        break
    else:
        print("请输入正确内容！")