应用列表 知识，创建一个购物车小程序
1 #购物车小程序
2 def print_result(computer_num,bicycle_num,book_num,coffee_num,scissor_num,pencil_num,rest_num):
3 msg1 = '''
4 You've bought %d computers, %d bicycles,
5 %d python books, %d coffees,
6 %d scissors, %d pencils.
7 Your rest money is:%d
8
9 ''' % (computer_num, bicycle_num, book_num, coffee_num, scissor_num,pencil_num,rest_num)
10 print(msg1)
11
12
13 salary = input("Your salary:")
14 rest_salary = int(salary)
15 goods_list = []
16 while True:
17 msg = '''
18 =========================
19 1. computer 4500
20 2. bicycle 1500
21 3. python book 80
22 4. coffee 32
23 5. scissor 15
24 6. pencil 1
25 q. stop this program
26 =========================
27 '''
28 print(msg)
29 selection = input("Input your selection:")
30 if selection == '1':
31 rest_salary -= 4500
32 if rest_salary <= 0:
33 print_result(goods_list.count("computer"), goods_list.count("bicycle")
34 , goods_list.count("python book"), goods_list.count("coffee")
35 , goods_list.count("scissor"), goods_list.count("pencil"), rest_salary)
36 print("You have no enough money,terminated")
37 break
38 else:
39 goods_list.append("computer")
40 print("the rest money is:%d" %rest_salary)
41 continue
42 elif selection == '2':
43 rest_salary -= 1500
44 if rest_salary <= 0:
45 print_result(goods_list.count("computer"), goods_list.count("bicycle")
46 , goods_list.count("python book"), goods_list.count("coffee")
47 , goods_list.count("scissor"), goods_list.count("pencil"), rest_salary)
48 print("You have no enough money,terminated")
49 break
50 else:
51 goods_list.append("bicycle")
52 print("the rest money is:%d" %rest_salary)
53 continue
54 elif selection == '3':
55 rest_salary -= 80
56 if rest_salary <= 0:
57 print_result(goods_list.count("computer"), goods_list.count("bicycle")
58 , goods_list.count("python book"), goods_list.count("coffee")
59 , goods_list.count("scissor"), goods_list.count("pencil"), rest_salary)
60 print("You have no enough money,terminated")
61 break
62 else:
63 goods_list.append("python book")
64 print("the rest money is:%d" %rest_salary)
65 continue
66 elif selection == '4':
67 rest_salary -= 32
68 if rest_salary <= 0:
69 print_result(goods_list.count("computer"), goods_list.count("bicycle")
70 , goods_list.count("python book"), goods_list.count("coffee")
71 , goods_list.count("scissor"), goods_list.count("pencil"), rest_salary)
72 print("You have no enough money,terminated")
73 break
74 else:
75 goods_list.append("coffee")
76 print("the rest money is:%d" %rest_salary)
77 continue
78 elif selection == '5':
79 rest_salary -= 15
80 if rest_salary <= 0:
81 print_result(goods_list.count("computer"), goods_list.count("bicycle")
82 , goods_list.count("python book"), goods_list.count("coffee")
83 , goods_list.count("scissor"), goods_list.count("pencil"), rest_salary)
84 print("You have no enough money,terminated")
85 break
86 else:
87 goods_list.append("scissor")
88 print("the rest money is:%d" %rest_salary)
89 continue
90 elif selection == '6':
91 rest_salary -= 1
92 if rest_salary <= 0:
93 print_result(goods_list.count("computer"), goods_list.count("bicycle")
94 , goods_list.count("python book"), goods_list.count("coffee")
95 , goods_list.count("scissor"), goods_list.count("pencil"), rest_salary)
96 print("You have no enough money,terminated")
97 break
98 else:
99 goods_list.append("pencil")
100 print("the rest money is:%d" %rest_salary)
101 continue
102 elif selection == 'q':
103 print_result(goods_list.count("computer"),goods_list.count("bicycle")
104 ,goods_list.count("python book"),goods_list.count("coffee")
105 ,goods_list.count("scissor"),goods_list.count("pencil"),rest_salary)
106 else:
107 print_result(goods_list.count("computer"), goods_list.count("bicycle")
108 , goods_list.count("python book"), goods_list.count("coffee")
109 , goods_list.count("scissor"), goods_list.count("pencil"), rest_salary)
