spotify/models/library.py
async def contains_tracks(self, *tracks: Sequence[Union[str, Track]]) -> List[bool]:
        """Check if one or more tracks is already saved in the current Spotify user’s ‘Your Music’ library.

        Parameters
        ----------
        tracks : Union[Track, str]
            A sequence of track objects or spotify IDs
        """
        _tracks = [(obj if isinstance(obj, str) else obj.id) for obj in tracks]
        return await self.user.http.is_saved_track(_tracks)
async def contains_tracks(self, *tracks: Sequence[Union[str, Track]]) -> List[bool]:
        """Check if one or more tracks is already saved in the current Spotify user’s ‘Your Music’ library.

        Parameters
        ----------
        tracks : Union[Track, str]
            A sequence of track objects or spotify IDs
        """
        _tracks = [(obj if isinstance(obj, str) else obj.id) for obj in tracks]
        return await self.user.http.is_saved_track(_tracks)
Check if one or more tracks is already saved in the current Spotify user’s ‘Your Music’ library.

        Parameters
        ----------
        tracks : Union[Track, str]
            A sequence of track objects or spotify IDs