1 goods = [

 2     {"name": "电脑", "price": 1999},

 3     {"name": "鼠标", "price": 10},

 4     {"name": "游艇", "price": 20},

 5     {"name": "美女", "price": 998},

 6 ]

 7 gouwuche = {}

 8 xiaofei = 0

 9 zongxiaofei = 0

10 for buy_list in goods:

11     gouwuche[buy_list["name"]] = {"num":0, "jiage":buy_list["price"]}

12 zichan = int(input("请输入资产："))

13 print("--------------shangpin list--------------")

14 for shangpin_list in goods:

15     print(shangpin_list["name"], shangpin_list["price"])

16 print("-------------------end-------------------")

17 while True:

18     print("您的当前余额为：", zichan)

19     buy_name = input("输入商品名称进行购买：")

20     if buy_name in gouwuche.keys():

21         if zichan >= gouwuche[buy_name]["jiage"]:

22             gouwuche[buy_name]["num"] = gouwuche[buy_name]["num"] + 1

23             print("购买成功！\n")

24         else:

25             print("余额不足，还差：", gouwuche[buy_name]["jiage"] - zichan)

26             chongzhi = input("请输入'y'or'Y'前往充值或者输入'n'or'N'结束购物：")

27             if chongzhi.lower() == "y":

28                 jine = int(input("请输入充值金额："))

29                 zichan = zichan + jine

30                 print("充值成功!\n")

31                 continue

32             elif chongzhi.lower() == "n":

33                 print("您本次购物结束，结余：", zichan, "总消费：", zongxiaofei)

34                 exit()

35     else:

36         print("商品不存在，重新输入：")

37         continue

38     for jiesuan_key, jiesuan_values in gouwuche.items():

39         jiesuan_num = jiesuan_values["num"]

40         jiesuan_jiage = jiesuan_values["jiage"]

41         xiaofei = jiesuan_num * jiesuan_jiage

42         zichan = zichan - xiaofei

43         zongxiaofei = zongxiaofei + xiaofei

44     gouwuche[buy_name]["num"] = gouwuche[buy_name]["num"] - 1