python 做一个简单的登录接口

# -*- conding :utf-8 -*-
# File Name: homewoe
# Create Date: 2019/11/20 / 9:15
# Change Activity: 2019/11/20:
# Email:18523607242@163.com
# Author: 袁晓松

_username="18523607242@163.com"
_password="yuan195866,."
i=0
while i<=3:
    username=input("username:")
    password=input("password:")
    if username==_username and password==_password:
        print("Welcome to my world  {user}".format(user=username))
        break
    else:
        print("账号或者密码输入错误,请重新输入")
    i+=1
else:
    print("账号或者密码输入错误次数过多,已锁定")