python에서 현재시간으로 string만들기

<참조: https://stackoverflow.com/questions/3316882/how-do-i-get-a-string-format-of-the-current-date-time-in-python>

from datetime import datetime

def get_curtime_as_string():
    timestamp = '%d_%d_%d_%d_%d_%d_%d' % (
        datetime.now().year, 
        datetime.now().month, 
        datetime.now().day,
        datetime.now().hour,
        datetime.now().minute,
        datetime.now().second, 
        datetime.now().microsecond
    )
    
    return timestamp