python OS check 함수

# -*- coding: utf-8 -*-

import platform

def check_os():
    os_info = platform.system()
    if os_info == 'Windows':
        return 'w'
    elif os_info == 'Linux':
        return 'l'
    elif os_info == 'Darwin':
        return 'm'
    else:
        print("현재 운영 체제는 알 수 없습니다.")

check_os()