Python-сообщество

#!/usr/bin/env python
#-*- coding: utf8 -*-

from datetime import date, timedelta

def get_first_last(month, year=None):
    """
    Get first and last day of month
    if year is None - current year is used
    Return tuple (first, last)
    """
    if year is None:
        year = date.today().year
    fst = date(year, month, 1)
    lst = fst.replace(month=month+1) - timedelta(days=1)
    return (fst, lst)

print get_first_last(1)

from calendar import monthrange
print(monthrange(year, month))