1 __Author__ = "Zhang Peng"
2 product_list = [
3 ('Iphone', 5888),
4 ('笔记本', 12888),
5 ('手表', 10600),
6 ('电视', 3888),
7 ('书', 58),
8 ]
9
10 id_list = ["商家", "用户", "shangjia", "yonghu"]
11 id_shopping = input("Please input your ID:\n")
12
13 exit_flag = False
14
15 if id_shopping == "shangjia":
16 choice = input("你是否想添加\修改商品？添加商品输入'1'，修改商品输入'2',退出输入'q':\n")
17 if choice == "1":
18 while not exit_flag:
19 name = input("请输入您想添加的商品名称：\n")
20 name2 = input("请输入您添加商品的价格：\n")
21 if name == "q" or name2 == "q":
22 exit_flag = True
23 else:
24 product_list.append((name, name2), )
25
26 elif choice == "2":
27 while not exit_flag:
28 name3 = input("请输入您想修改价格的商品名称：\n")
29 name4 = input("请输入您想要修改的价格：\n")
30
31 if name3 == "q" or name4 == "q":
32 exit_flag = True
33 else:
34 a = product_list.index(name3)
35 product_list.remove(name3)
36 product_list.index((name3, name4))
37
38 else:
39 if choice == "q":
40 exit_flag = True
41 print(product_list)
42
43
44 elif id_shopping == "yonghu":
45 shopping_list=[]
46 with open("shopping_list.txt","r",encoding="utf8") as f_shop1:
47 print("你的购物车里已经有：")
48 print(f_shop1.read())
49 with open("salary.txt","r",encoding="utf8") as f_salary1:
50 salary = f_salary1.read()
51 print(salary)
52 if salary.isdigit(): # isdigit 是判断输入的是不是一个数字
53 salary = int(salary)
54 while True:
55 print("我们有一下商品：\n")
56 for index, item in enumerate(product_list):
57 print(index, item)
58 user_choice = input("请问你还想买什么？:\n")
59 if user_choice.isdigit():
60 user_choice = int(user_choice)
61 if user_choice < len(product_list) and user_choice > 0:
62 p_item = product_list[user_choice]
63 if p_item[1] < salary: # 买不起
64 shopping_list.append(p_item)
65 salary -= p_item[1]
66 print("您买的商品已经加入购物车")
67 else:
68 print("没钱别嘚瑟了")
69 else:
70 print("没有您要的商品")
71 elif user_choice == 'q':
72 print("----------shopping list----------")
73 for p in shopping_list:
74 print(p)
75 with open("shopping_list.txt", "a", encoding="utf8") as f_shop2:
76 f_shop2.write(str(p))
77 print("你还剩余", salary)
78 with open("salary.txt", "w", encoding="utf8") as f_salary2:
79 f_salary2.write(str(salary))
80 exit()
81
82 else:
83 print("输入错误")
84
85 else:
86 shopping_list = []
87 salary = input("请输入你的月薪：\n")
88 if salary.isdigit(): # isdigit 是判断输入的是不是一个数字
89 salary = int(salary)
90 while True:
91 for index, item in enumerate(product_list):
92 print(index, item)
93 user_choice = input("请问你想买什么？:\n")
94 if user_choice.isdigit():
95 user_choice = int(user_choice)
96 if user_choice < len(product_list) and user_choice > 0:
97 p_item = product_list[user_choice]
98 if p_item[1] < salary: # 买不起
99 shopping_list.append(p_item)
100 salary -= p_item[1]
101 print("您买的商品已经加入购物车")
102 else:
103 print