Get all PGN values for given frame.

    :param db: CanMatrix database
    :return: tuple of [pgn] and [arbitration_id]

def list_pgn(db):
    # type: (canmatrix.CanMatrix) -> typing.Tuple[typing.List[int], typing.List[canmatrix.ArbitrationId]]
    """
    Get all PGN values for given frame.

    :param db: CanMatrix database
    :return: tuple of [pgn] and [arbitration_id]
    """
    id_list = [x.arbitration_id for x in db.frames]
    pgn_list = [arb_id.pgn for arb_id in id_list]
    return pgn_list, id_list