输入密码明文改暗文练习

# Author:liuzhongchang
import getpass
_userword="liuzhongchang"
_password="123456"
username=input("username:")
password=input("password:")
if _userword==username and _password==password:
    print("Welcome user {name} login...".format(name=username))
else:
    print("Invalid username or password")