# from datetime import datetime, timedelta


# def convert_datetime_to_str(date_time):
#     return datetime.strftime(date_time, '%Y-%m-%dT%H:%M:%S.000Z')
#
#
# def create_period(period_offset_days=0):
#     period_date = datetime.utcnow() + timedelta(days=period_offset_days)
#     return f'{period_date.year}{str(period_date.month).zfill(2)}'
