Instance2:login interface(还有问题)

Posted 2020-10-20 deakin-du

#模拟登陆：
#1. 用户输入帐号密码进行登陆
#2. 用户信息保存在文件内
#. 用户密码输入错误三次后锁定用户
f_lock=open("lock_list",‘r+‘,encoding="utf-8")
f_account=open("account",‘r‘,encoding="utf-8")

while True:
    for lockline in f_lock:
        lockline=lockline.strip(‘\n‘)
        account = input("ple key in your account name:")
        if account==lockline:    #无法判断第二行的内容
            print("your account has been locked, pls contact the system administrator")
            exit()
        else:
            for accountline in f_account:
                (user,passwd)=accountline.strip(‘\n‘).split()
                if account==user:
                    count=0
                    while count<3:
                        password=input("pls key in your password:")
                        if password==passwd:
                            print("welcome to login,%s"%(account))
                            break
                        else:
                            print("your password is not correct,pls try again,remain %s times"%(2-count))
                            count+=1
                    else:
                        f_lock.write(account + ‘\n‘)
                        print("your account has been locked,pls contact your system administrator")
                        exit()
                else: 
　　　　　　　　　　　　print("account do not existed.")