python学习 day1 登陆

#/usr/bin/env python3
#coding:utf-8

import os
import sys
import getpass
import json


storage_user_file = "./username.py"
correct_user = "kk"
correct_pass = "kk"

for i in range(3):
    existing_users_dict = json.load(open(storage_user_file,'r'))
    get_user = input("please your username ")
    get_pass = input("please your password ")
    if correct_user == get_user and correct_pass == get_pass:
        print ("Welcome to login..")
        break
    else:
        if get_user in existing_users_dict:
            if existing_users_dict[get_user] >= 3:
                print ("You are locked")
                break
            else:
                existing_users_dict[get_user]+=1
                json.dump(existing_users_dict,open(storage_user_file,"w"))
                print ("The user name or password you entered is incorrect.")
        else:
            existing_users_dict[get_user] = 1
            json.dump(existing_users_dict,open(storage_user_file,"w"))
            print ("The user name or password you entered is incorrect.")