'''
FilePath: \hart\main.py
Author: shenghao.xu
Date: 2023-03-14 08:51:18
LastEditors: shenghao.xu
LastEditTime: 2023-05-05 10:14:50
Descripttion: 
'''
import os


def main():
    print('hello world')


if __name__ == '__main__':
    main()