练习-用户登录

# -*-coding:utf8 -*-
import os

#print(os.getcwd())
users = open('username.txt', 'r')
password = open('password.txt', 'r')
lock_user = open('lock.txt', 'r')

count = 0
while count <3:
    user_login = input("Please input your username:")
    user_password = input("Please input your password:")
    if user_login in lock_user:
        print("Your account is locked,please contact admin")
        break
    elif user_login in users and user_password in password:
        print("Welcom {0} login ".format(user_login))
        break
    else:
        print("Your account or password  is incorrect !")
        if count ==2:
            print("You are locked,Please contact admin")
            lock_user = open('lock.txt', 'a')
            lock_user.write(user_login + '\n')
            lock_user.close()
            break
        else:
            user_login_again = input("Would try again,Y/N?")
            count += 1
            continue
else:
     print("locked")
     lock_user.close()