python list of jobs and shopping cart

  1  '' ' 
  2  for a list of names = [' Golden King angle ',' black girl ',' rain ',' eva ',' naughty ',' silver horn King ',' EVA ',' beheaded '] into the the following operations
   . 3  
  . 4  
  . 5  1. eva returned by the second method names.index () index value
   . 6  
  . 7  above 2. list for reversing the form of slices
   . 8  
  . 9  3. Print a list of all odd subscripts value of
 10  
. 11  4 () method to find by eva names.index second value, and it changed the eVA
 12 is  ' '' 
13 is  ' '' 
14  names = [ 'Golden King angle', 'black girl' ' Rain ',' EVA ',' naughty ',' silver horn king ',' EVA ',' beheaded ']
 15  #. 1.
 16  # Print (names.index (' EVA ', names.index (' EVA ' ) + 1'd))
 . 17  # 2.
 18 is  # names.
reverse()
 19 # print(names)
 20 . 3 #.
 21 is  Print (names [. 1 :: 2])
 22 is  #. 4.
 23 is  names [. 6] = names [names.index ( 'EVA', names.index ( 'EVA') +. 1)]. Upper ()
 24-  Print (names)
 25  '' ' 
26  
27  # ##################### cart ############### ####### 
28  '' ' 
29  to achieve the functional requirements:
 30  1. after starting the program, the user enter salary, then enters a loop, and numbered print product
 31 is  2 allows the user to select an article number of goods
 32  3 after the user selects a product, testing the balance is enough, enough to direct debit, and the shopping cart is not enough to remind balance is less than
 33  4, can leave at any time, when you exit, print the purchase of goods and the balance of
 34  '' ' 
35  
36  from the Collections Import Counter
 37 [  
38 is goods = [
 39 {"name": "电脑", "price": 1999},
 40 {"name": "鼠标", "price": 10},
 41 {"name": "游艇", "price": 20},
 42 {"name":"Beauty", " . Price " : 9998 },
 43 is  ]
 44 is  
45  # goods_new = {} 
46 is V1 = []
 47 names = [] # Name product 
48 . Price = [] # commodity prices 1999 10 20 is 9998 
49  for I in Range ( . 4 ):
 50      for V in goods [I] .values ():
 51 is          v1.append (V)
 52 is          # goods_new.setdefault ( "goods" + str (i), v1 ) ?????????? 
53 is          # Print ( "goods {0: <13}. 1 No {:} ^ 15" .format (I, V)) 
54 is for I in V1 [:: 2 ]:
 55      names.append (I)
 56 is  for I in V1 [. 1 :: 2 ]:
 57 is      price.append (I)
 58  # The above product is a data structure 
59 the salary = int (INPUT ( " INPUT the salary: " )) #
 60  Print ( " product list " .center (60, " * " ))
 61 is  Print ( " {0: ^ {15}. 1: 2 ^ {32}:>}. 8 (RMB) " .format ( " NUM " , "name " , " . price " ))
 62 is  for I in Range (. 4 ):
 63 is      Print ( " {0: ^ {15}. 1: 31 is ^ {2}: ^ 15} " .format (I, names [I], . price [I]))
 64  
65  # later 
66 buy_sign = False
 67 buy_car = {}
 68  the while  Not buy_sign:
 69      the try :
 70          Choice = iNPUT ( ' enter the number of the item to be purchased, separated by commas: ' )
 71 is          NUM = [int (I) forI in choice.split ( ' , ' )]
 72          NUM = [I for I in NUM IF I <. 4 ]
 73 is          num_dic = dict (Counter (NUM)) # the purchase of goods packed into the dictionary number 
74          # num_dic the sorted = ( num_dic.items (), key = lambda dic : dic [0]) # is converted into the sorted list 
75          cost = 0
 76          for K, V in num_dic.items ():
 77              Print ( " You have selected product number {0} {1}, {2} is the number of monovalent element is {3} " .format (K, names [K], V,. price [K]))
 78             buy_car.setdefault (names [K], " Number: " + STR (V))
 79              # Print ( "buy_car:", buy_car) 
80              cost = + V * . price [K]
 81          Print ( " Total is: {} yuan, is your salary: element {} " .format (cost, the salary))
 82  
83          buy_choice = INPUT ( " Y or Y to confirm the purchase, q or Q to exit: " )
 84          buy_choice = buy_choice.lower ()
 85          IF buy_choice == ' Y ' :
 86              IF cost <= the salary:
 87                 Print ( " successful purchase balance of {element} " .format (salary- cost))
 88                  for K, V in buy_car.items ():
 89                      Print ( " already purchased 0} {, {}. 1 " .format (K , V))
 90              the else :
 91 is                  Print ( " inadequate wages, reselect " )
 92                  num_dic.clear ()
 93                  buy_car.clear ()
 94          elif buy_choice == ' Q ' :
 95              BREAK 
96          the else :
 97             Print ( " input error " )
 98  
99          IF num_dic:
 100              buy_sign = True
 101          # Print (num_dic) 
102      the except a ValueError:
 103          Print ( " input error, please try again. " )
 104  # Print (NUM)