# Aduthor:CCIP-Ma

 import sys

 f=open("password.txt","r",encoding="utf-8")  #一般文件使用f进行定义,r+ 读写，a+追加

 f_lock=open('lock.txt',"r+",encoding="utf-8")

 f_list=f.readlines()

 usname = input("用户名：")

 for lock_line in f_lock:

     lock_line=lock_line.strip("\n")

     if usname==lock_line:

         sys.exit('用户 %s 已经被锁定，退出' % usname)

 for line in f_list:

   (_username,_password) = line.strip('\n').split()  #用户名和密码变量取值

   if usname==_username :

     count = 0

     while count<3:

         password = input("密码：")

         if password ==_password:

           print("哎哟，不错")

           sys.exit(0)

         else:

          count+=1

     f_lock.write(usname)

     f_lock.write("\n")

     print("密码被锁定")

   else:

       pass

ruijie ruijie@123

cisco ruijie@123

huawei ruijie@123

ruijie3 ruijie@123

ruijie

ruijie1