code: def parse(file_path, convert_neg_666=True, rid=None, cid=None, ridx=None, cidx=None,
            row_meta_only=False, col_meta_only=False, make_multiindex=False):
      if file_path.endswith(".gct"):
          out = parse_gct.parse(file_path, convert_neg_666=convert_neg_666,
                                rid=rid, cid=cid, ridx=ridx, cidx=cidx,
                                row_meta_only=row_meta_only, col_meta_only=col_meta_only,
                                make_multiindex=make_multiindex)
      elif file_path.endswith(".gctx"):
          out = parse_gctx.parse(file_path, convert_neg_666=convert_neg_666,
                                rid=rid, cid=cid, ridx=ridx, cidx=cidx,
                                row_meta_only=row_meta_only, col_meta_only=col_meta_only,
                                make_multiindex=make_multiindex)
      else:
          err_msg = "File to parse must be .gct or .gctx!"
          logger.error(err_msg)
          raise Exception(err_msg)
      return out