Shopping cart for Python jobs and shopping cart for python

Shopping cart for Python jobs and shopping cart for python

Implementation:

Can be registered independently,

You can log on to the system for shopping, recharge (not yet implemented), and query the balance.

I spent two days and one night coding. I don't need to talk much about it. I just need to code it directly and comment out what Shenma will do later.

1 #! /Usr/bin/env python 2 #-*-coding: UTF-8-*-3 shopping_list = [4 ['iphone 6 s plus ', 5800], 5 ['luma ', 3800], 6 ['charge', 45], 7 ['data line', 35], 8 ['mi 5 Pro', 2299], 9 ['mx4 ', 1999], 10] 11 salary = 100000 12 total = 0 13 shop_list = [] 14 15 while True: 16 welcome_1 = "Welcome to XXX Shopping Mall" 17 we_1 = welcome_1.center (30, '*') 18 print (we_1) 19 choice_1 = "1. register 2. log on to q. log out of "20 ch_1 = choice_1.center (32, '*') 21 exit_1 =" Thank you! Welcome to "22 ex_1 = exit_1.center (30 ,'*') 23 error_1 = "the user you entered already exists. Enter" 24 e_1 = error_1.center (30, '-') 25 error_2 = "the password cannot be blank, enter "26 e_2 = error_2.center (30, '-') 27 error_3 =" Your password is too short. Please enter "28 e_3 = error_3.center (30, '-') 29 error_4 = "your input is incorrect. Please enter" 30 e_4 = error_4.center (26, '*') 31 error_5 = "your account has been locked, contact the Administrator "32 e_5 = error_5.center (12, '*') 33 print (ch_1) 34 sr_1 = input (" Please input: ") 35 if sr_1 = '1 ': 36 while True: 37 with open('ming.txt ', 'R') as r_1: 38 temp = r_1.readlines () 39 tlist = [] 40 for tline in temp: 41 tline = tline. strip (). split (':') 42 tlist. append (tline [0]) 43 useradd = input ("Please create user:") 44 success_1 = "successfully created user: % s" % (useradd) 45 if useradd in tlist: 46 print (e_1) 47 elif useradd = "exit": 48 break 49 else: 50 passwd = input ("Please create a password (Letters and numbers ):") 51 length = len (passwd) 52 if length = 0: 53 print (e_2) 54 elif length> 7: 55 with open('ming.txt ', 'A') as r_3: 56 w_1 = '% s: 0 \ n' % (useradd, passwd) 57 r_3.write (w_1) 58 s_1 = success_1.center (30 ,'-') 59 print (s_1) 60 break 61 else: 62 print (e_3) 63 64 elif sr_1 = '2': 65 flag = False 66 while True: 67 username = input ("Please enter a user name:") 68 l = open('lock.txt ', 'R') 69 for lline in l. readlines (): 70 lline = lline. strip () 71 if username = lline: 72 print ("account locked") 73 flag = True 74 l. close () 75 break 76 if flag = True: 77 break 78 79 u = open('ming.txt ', 'R') 80 for uline in u. readlines (): 81 user, password, mony = uline. strip (). split (':') 82 83 if username = user: 84 I = 0 85 while I <3: 86 passwd = input ('Please enter a password :') 87 I + = 1 88 if passwd = password: 89 print ('Welcome % s login online shopping platform' % username) 90 flag = True 91 u. close () 92 break 93 else: 94 if I> = 3: 95 with open('lock.txt ', 'A') as l_2: 96 l_2.write (username +' \ n') 97 l. close () 98 exit ("tried too many times, will be locked, please contact the Administrator") 99 print ('wrong password entered, % d chances '% (3-I) 100 break101 else: 102 print ("user input error, please input again") 103 104 105 while True: 106 print ("1. shopping 2. view shopping cart 3. query the balance 4. recharge B. return to login q. exit ") 107 print (" ---------------------------------------------- ") 108 choice_2 = input (" input No.: ") 109 flag_1 = False110 while True: 111 if choice_2 =" 1 ": 112 while True: 113 for index, g in enumerate (shopping_list): 114 print (index, g [0], g [1]) 115 print ("-------------------------") 116 print ("c. view shopping cart B. returns q. exit ") 117 print (" ----------------------- ") 118 choice = input (" type a number to select a product :"). strip () 119 if choice. isdigit (): 120 choice = int (choice) 121 p_price = shopping_list [choice] [1] 122 if p_price <salary: 123 shop_list.append (shopping_list [choice]) 124 total + = p_price125 salary-= p_price126 print ("-------------------------") 127 print ("you purchased % s, balance: % s" % (shopping_list [choice] [0], salary) 128 print ("-----------------------") 129 else: 130 print ("-------------------------") 131 print ("your balance is insufficient") 132 print ("-------------------------") 133 elif choice = "c": 134 while True: 135 print ("---------- shopping cart ----------") 136 for k, v in enumerate (shop_list): 137 print (k, v [0], v [1]) 138 print ("consumed amount: % s" % total) 139 print ("Your available balance: % s" % salary) 140 print ("-------------------------") 141 print ("d. delete item B. return to shopping q. exit settlement ") 142 print (" ------------------------- ") 143 choice_1 = input (" enter a letter to select the function: ") 144 print ("-------------------------") 145 if choice_1 = "d": 146 print ("---------------------------") 147 print ("enter a number to delete the item, enter B to return to the shopping cart ") 148 print ("-------------------------") 149 while True: 150 choice_2 = input ("select:") 151 if choice_2.isdigit (): 152 choice_2 = int (choice_2) 153 d_price = shop_list [choice_2] [1] 154 shop_list.remove (shop_list [choice_2]) 155 total-= d_price156 salary + = d_price157 print ("-------------------------") 158 print ("item % s deleted successfully, available balance: % s" % (shop_list [choice_2] [0], salary) 159 print ("-------------------------") 160 elif choice_2 = "B": 161 break162 elif choice_1 = "B": 163 flag = True164 break165 else: 166 print ("---------- shopping list ----------") 167 for k, v in enumerate (shop_list): 168 print (k, v [0], v [1]) 169 print ("total consumption amount: % s" % total) 170 print ("Your available balance: % s" % salary) 171 print ("-------- welcome next time -------") 172 exit (0) 173 elif choice = "B ": 174 break175 elif choice = "q": 176 print ("---------- shopping list ----------") 177 for k, v in enumerate (shop_list): 178 print (k, v [0], v [1]) 179 print ("total consumption amount: % s" % total) 180 print ("Your available balance: % s" % salary) 181 print ("-------- welcome next time --------") 182 exit (0) 183 else: 184 print ("-------------------------") 185 print ("your input is incorrect, please enter again ") 186 print ("-------------------------") 187 if flag = True: 188 break189 elif choice_2 = "2": 190 print ("---------- shopping cart ----------") 191 for k, v in enumerate (shop_list): 192 print (k, v [0], v [1]) 193 print ("consumed amount: % s" % total) 194 print ("Your available balance: % s" % salary) 195 196 print ("-------------------------") 197 break198 elif choice_2 = "3": 199 with open('ming.txt ', 'R') as m_1: 200 mony_1 = m_1.readlines () 201 for mline in mony_1: 202 (user, password, mony) = mline. strip (). split (':') 203 print (salary) 204 flag_1 = True205 break206 break207 208 elif choice_2 = "4 ": 209 z = 0210 while z <chongzhi = int (input ("input amount:") 212 passwd_1 = input ("Enter Password:") 213 m = open('ming.txt ', 'r + ') 214 m_2 = m. readlines () 215 216 for mline in m_2: 217 (user, password, mony) = mline. strip (). split (':') 218 219 if passwd_1 = password: 220 mony_2 = (chongzhi + int (mony) 221 222 w_2 = '% s: % s \ n' % (username, password, mony_2) 223 m. write (w_2) 224 print ("recharge successful") 225 print (mony) 226 flag = True227 break228 continue229 break230 if flag = True: 231 break1_233 elif choice_2 = "B": 234 flag = True235 break236 237 elif choice_2 = "q": 238 exit (ex_1) 239 else: 240 print (e_4) 241 break242 break243 if flag = True: 244 break245 break246 elif sr_1 = 'q': 247 exit (ex_1) 248 else: 249 print (e_4) 250 print ('') 251 252 253Shopping Cart