'Return a Record instance.
:param zone_id: ID of the required zone
:type  zone_id: ``str``
:param record_id: ID of the required record
:type  record_id: ``str``
:rtype: :class:`Record`'

def get_record(self, zone_id, record_id):

    record = None
    zone = self.get_zone(zone_id=zone_id)
    records = self.list_records(zone=zone)
    for r in records:
        if (r.id == record_id):
            record = r
    if (record is None):
        raise RecordDoesNotExistError(record_id=record_id, driver=self, value='')
    return record
