Wie implementiert man das Benutzeranmeldeprogramm?

 1 # -*- coding:utf-8 -*- 2 # LC 3 username = input("please input your username:")         #输入用户名 4 #检查用户名是否被锁住 5 lock_read = open("lock_file.txt","r") 6 for lock in lock_read: 7     lock_user = lock.strip()        #取出lock文件里面的用户信息 8     if username == lock_user: 9         print("You have been locked!")10         break11     else:12         continue13 lock_read.close()                   #读取完毕14 15 if username != lock_user:16     password = input("please input your password:")         #如果用户没有再lock文件中，则输入密码17     with  open("account_file.txt") as user_info:            #打开用户账号文件18         for account in user_info:                               #查看输入的用户是否再账号文件内19             account_user = account.strip().split(" ")[0]20             account_pass = account.strip().split(" ")[1]21             if username == account_user:                        #如果输入的用户名在用户文件中存在22                 if password == account_pass:23                     print("welcome to login")               #密码正确，则判断登录成功24                     break25                 else:26                     print("wrong password!")                #否则密码错误，重新输入密码，即可用再输入两次27                     for count in range(0,2):28                         count = count + 129                         password = input("please input your password:")30                         if password == account_pass:31                             print("welcome to login")          #如果再次输入的密码正确，则跳出32                             break33                         else:34                             print("wrong password")35                     if count == 2:                              #如果三次输错，则写入lock文件中，采用追加写入的方式36                         lock_write = open("lock_file.txt","a+")37                         lock_write.write("\n")38                         lock_write.write(username)39                         lock_write.close()40         if username!=account_user:                                     #如果账号文件内没有此账号，则提出没有此用户信息41             print("No this user")

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