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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def play_track(self, track_id=DEFAULT_TRACK_ID, position=0):
 """Plays a track at the given position."""

        self.publish(
            action='playTrack',
            resource='audioPlayback/player',
            publish_response=False,
            properties={'trackId': track_id, 'position': position}
        )