列表应用，购物车小程序

 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)