session = str(random.randint(0, 1000000000))
         mix_id = data['id']
         track_count = data['tracks_count']
         duration = data['duration']
         avg_song_duration = float(duration) / track_count
 
         session = str(random.randint(0, 1000000000))
         mix_id = data['id']
         track_count = data['tracks_count']
         duration = data['duration']
         avg_song_duration = float(duration) / track_count