JaiminBrahmbhatt

import datetime
import calendar

def bill_for(month, active_subscription, users):
    # your code here!
    month = datetime.datetime.strptime(month, '%Y-%m')
    month = datetime.date(month.year, month.month, 1)
    # first day of month
    first_day = first_day_of_month(month)
    # last day of month