# 두시간 사이의 달 수 구하기
from datetime import datetime from dateutil.parser import parse from dateutil.relativedelta import relativedelta from dateutil.rrule import rrule, MONTHLY recently = 600 end_dt= datetime.today() start_dt = end_dt - relativedelta(seconds=recently) months = [dt.strftime('%Y%m') for dt in rrule(MONTHLY, dtstart=start_dt, until=end_dt)]