1 goods_list=[
2 ('huaweiP9',3200),
3 ('Macbook',6180),
4 ('furongwang',225),
5 ('chengguangCup',85),
6 ('pythonbook',84)
7 ]
8 shopping_list=[]
9 salary=input("请输入你的工资：")
10 if salary.isdigit():
11 salary=int(salary)
12 print(goods_list)
13 while True:
14 # for index,item in enumerate(goods_list):
15 for item in goods_list:
16 print(goods_list.index(item),item)
17 user_choice = input("选择要买的东西>>>:")
18 if user_choice.isdigit():
19 user_choice = int(user_choice)
20 if user_choice < len(goods_list) and user_choice >=0:
21 p_item = goods_list[user_choice]
22 if p_item[1] <= salary: #买的起
23 shopping_list.append(p_item)
24 salary -= p_item[1]
25 print("Added %s into shopping cart,your current balance is \033[31;1m%s\033[0m" %(p_item,salary) )
26 else:
27 print("你的余额只剩%s啦，还买个毛线" % salary)
28 else:
29 print("你选择的商品序号 %s 不存在!"% user_choice)
30 elif user_choice == 'q':
31 print("--------购物清单------")
32 for p in shopping_list:
33 print(p)
34 print("你的余额:",salary)
35 exit()
36 else:
37 print("输入错误，退出输入q")
