购物车

需求:

1. 启动程序后，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，不够充值，够就直接扣款
4. 账号余额刚好是0时，直接退出
5. 可随时退出，退出时，打印已购买商品和余额

 1 # Author:Zhao
 2 purchased = []
 3 salary = int(input("请输入你的工资: "))
 4 commodity = [[1,"IPhone",5800],[2,"Mac Pro",12000],[3,"Stacbuck Latte",31],[4,"Alex Python",81],[5,"Bike",800]]
 5 count = 0
 6 Recharge = 0
 7 while count < 1:
 8     for i in commodity:
 9         print(i)
10     num = int(input("请输入你要购买的商品编号: "))
11     #购买商品的金额
12     amount = commodity[num - 1][2]
13     if salary >= amount:
14         salary = salary - amount
15         purchased.append(commodity[num - 1][1])
16         print("购物车已加入：", purchased, "余额还剩：", salary)
17     else:
18             salary2 = amount - salary
19             print("购买",commodity[num -1][1],"商品","还差",salary2,"元,","请充值......")
20             salary1 = int(input("请输入充值金额: "))
21             salary = salary+salary1
22             if salary >= amount :
23                 salary = salary -amount
24                 purchased.append(commodity[num - 1][1])
25                 print("购物车已加入：", purchased, "余额还剩：", salary)
26             else:
27                 print("余额不足，选购其他商品吧")
28     count += 1
29     if count == 1:
30         if salary == 0:
31             print("你的钱包已经被掏空")
32             break
33     countine_confirm = input("是否继续购物：")
34     if countine_confirm !="q" :
35          count =0
36 print("已选购了：",purchased,"余额还剩：",salary)