1 salary = input('您的工资是：')
2 item_list = [
3 ('iphone',5800),
4 ('pc',12325),
5 ('watch',7000),
6 ('book',38),
7 ('pen',5),
8 ('game',1000)
9 ]
10 buy_list=[]
11 print(type(salary))
12 while True:
13 if salary.isdigit():
14 salary = int(salary)
15 break
16 else:
17 salary = input('请输入正确的工资,您的工资是：')
18
19 while True:
20 # print(salary)
21
22 # print(type(salary))
23 # print(salary)
24 for index, item in enumerate(item_list):
25 print(index, item)
26 user_choice = input('要买什么>>>：')
27 if user_choice.isdigit():
28 user_choice = int(user_choice)
29 if user_choice < len(item_list) and user_choice >= 0:
30 p_item = item_list[user_choice]
31 if salary >= p_item[1]:
32 salary -= p_item[1]
33 buy_list.append(p_item)
34 print('余额：',salary)
35 else:
36 print('没钱了')
37 else:
38 print('输入正确产品编号：')
39 elif user_choice == 'q':
40 print('-------------shopping list--------------')
41 for i in buy_list:
42 print(i)
43 print('还剩下:',salary)
44 exit()
45 else:
46 print("输入正确商品")
