Python学习_4_购物车

 1 money = int(input("How much do you have:"))
 2 price = [5800, 9000, 32, 80, 1500]
 3 goods = ["mobile_phone", "mac_book", "coffee", "python_book", "bicycle"]
 4 list_of_goods = '''
 5 ***************商品列表**************
 6 序号      商品名               价格
 7 1.        %-12s         %-6d
 8 2.        %-12s         %-6d
 9 3.        %-12s         %-6d
10 4.        %-12s         %-6d
11 5.        %-12s         %-6d
12 '''%(goods[0], price[0], goods[1], price[1], goods[2], price[2], goods[3], price[3], goods[4], price[4])
13 print(list_of_goods)
14 shopping_trolley = list()
15 while True:
16     select = input("do you want to buy>>>:")
17     if select.isdigit():
18         select = int(select)
19         if select == 1 or select == 2 or select == 3 or select == 4 or select == 5:
20             total = price[select - 1]
21             if total < money:
22                 shopping_trolley.append(goods[select - 1])
23                 shopping_trolley.append(price[select - 1])
24                 print("已加入", goods[select - 1], "到你的购物车，当前余额:", money - total)
25                 money = money - price[select - 1]
26             else:
27                 print("余额不足", money - total)
28         else:
29             print("没有该商品编号")
30     elif select == "quit":
31         print("**********您已购买已下商品**********")
32         for i in shopping_trolley:
33             print(i)
34         print("欢迎下次光临")
35         break
36     else:
37         print("请输入正确的商品编号格式")
posted on 2019-07-02 21:18 xihamhl 阅读(145) 评论(0) 收藏举报