一个简单的用户登录接口

#功能输入用户名、密码

#登录成功显示欢迎信息

#登录错误三次就锁定

lockd_user = []user_password = {'zhangsan':'123.com','lisi':'123.com','wangwu':'123.com','zhaoliu':'123.com'}count = 0while True:username = input('Please input your username:')password = input('Please input your password:')user = user_password.keys()pwd = user_password.values()if username in  lockd_user:print ('Your user locked!Please try another user.')continueelse:if username in user and password in pwd:print('Wlecome user {0} login'.format(username))breakelse:print('Invalid username or password,please try again.')count += 1if  count == 3:lockd_user.append(username)print ('You try too invalid username or password,please hode a moment try again.')count = 0print (lockd_user)