python3 simulation of a local file Login

Local Log File simulation

 

user.txt text file data format:

username:password

. 1  # Coding: UTF. 8- 
2  
. 3  # read data 
. 4 userfile = Open ( " user.txt " , " R & lt " )
 . 5 userList = userFile.readlines ()
 . 6  
. 7  # logins limit 
. 8 COUNT =. 3
 . 9  
10  # log success mark 
11 Flag = True
 12  
13  the while COUNT> 0 and Flag:
 14      # to enter a user name and password 
15      the user = the iNPUT ( " the enter the user your name: " )
16      password = INPUT ( " the Enter your password: " )
 . 17  
18 is      # Log decremented. 1 
. 19      Count -. 1 =
 20 is  
21 is      # cycle validation 
22 is      for Line in userList:
 23 is  
24          # removed at the end of the text file and split carriage return line is a partial list of account password 
25          user1 = line.strip ( " \ n- " ) .split ( " : " )
 26 is  
27          # for account password verification 
28          IF User == user1 [0] and password == user1 [. 1 ] :
 29             # Verification is successful update of the mark and the loop ends 
30              In Flag = False
 31 is              BREAK 
32  the else :
 33 is      # In Flag is True then the account password authentication fails, count = 3 while the lead end of the loop 
34 is      IF In Flag:
 35          Print ( " logins has reached three times, login failures, account lockout " )
 36      the else :
 37          Print ( " Login successful " )
 38  
39  # turn off data 
40 userFile.close ()