code: def iso_to_datetime(date):
      
      chunks = list(map(int, date.split('T')[0].split('-')))
      return datetime.datetime(chunks[0], chunks[1], chunks[2])
docs: Convert ISO 8601 time format to datetime format
  
      This function converts a date in ISO format, e.g. ``2017-09-14`` to a `datetime` instance, e.g.
      ``datetime.datetime(2017,9,14,0,0)``
  
      :param date: date in ISO 8601 format
      :type date: str
      :return: datetime instance
      :rtype: datetime