def _get_interleague_fl(cls, home_team_lg, away_team_lg):
        """
        get inter league flg
        :param home_team_lg: home team league
        :param away_team_lg: away team league
        :return: inter league flg(T or F or U)
        """
        if (home_team_lg == MlbamConst.UNKNOWN_SHORT) or (away_team_lg == MlbamConst.UNKNOWN_SHORT):
            return MlbamConst.UNKNOWN_SHORT
        elif home_team_lg != away_team_lg:
            return MlbamConst.FLG_TRUE
        return MlbamConst.FLG_FALSE