#!/usr/local/bin/python3
# -*- coding: utf-8 -*-
# @Time : 2020/4/17 2:53 下午
# @Author : lianyongxing
# @E-mail : lianyongxing@bytedance.com
# @Site : Shanghai
# @File : say_hi.py
# @Description: None

def say_hi():
	print("hello world~")


if __name__ == '__main__':
	say_hi()