购物车基础代码 

 1 # 买家  卖家 商品 金钱
 2 li = [
 3     {'name': '苹果', 'price': 10},
 4     {'name': '香蕉', 'price': 20},
 5     {'name': '西瓜', 'price': 30},
 6     ]
 7 shopping_car = {}
 8 # 把货物放在货架上
 9 print("欢迎光临likw水果店")
10 money = input('让我看看你的钱')
11 
12 if money.isdigit() and int(money) > 0:
13     while 1:
14         for i, k in enumerate(li):
15             print('序号{}，商品{}，价格{}'.format(i, k['name'], k['price']))
16         choose = input('请输入您要购买的商品序号')
17         if choose.isdigit() and int(choose) < len(li):
18             num = input('您要购买的商品数量')
19             if num.isdigit():
20                 if int(money) > li[int(choose)]['price']*int(num):
21                     money = int(money) - li[int(choose)]['price']*int(num)
22                     if li[int(choose)]['name'] in shopping_car:
23                         shopping_car[li[int(choose)]['name']] = shopping_car[li[int(choose)]['name']] + int(num)
24                     else:
25                         shopping_car[li[int(choose)]['name']] = int(num)
26                     print('购物车中的商品有{}，您的余额为{}'.format(shopping_car, money))
27                 else:
28                     print('穷鬼，回去跟你老婆要钱！')
29                     break
30             else:
31                 print("咋滴，数量都不懂？")
32         else:
33             print("都说了是序号，你傻啊！")
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posted @ 2021-01-18 14:26  likl-  阅读(10)  评论(0)    收藏  举报