def tracks(self, tracks, market=None):
        """ returns a list of tracks given a list of track IDs, URIs, or URLs

            Parameters:
                - tracks - a list of spotify URIs, URLs or IDs. Maximum: 50 IDs.
                - market - an ISO 3166-1 alpha-2 country code.
        """

        tlist = [self._get_id("track", t) for t in tracks]
        return self._get("tracks/?ids=" + ",".join(tlist), market=market)
 returns a list of tracks given a list of track IDs, URIs, or URLs

            Parameters:
                - tracks - a list of spotify URIs, URLs or IDs. Maximum: 50 IDs.
                - market - an ISO 3166-1 alpha-2 country code.
        
spotipy/client.py