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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _parse_IS_at_response(self, packet_info):
 """ If the given packet is a successful remote AT response for an IS command, parse the parameter field as IO data. """

        if packet_info['id'] in ('at_response', 'remote_at_response') and \
                packet_info['command'].lower() == b'is' and \
                packet_info['status'] == b'\x00':
            return self._parse_samples(packet_info['parameter'])
        else:
            return packet_info['parameter']