code: def create_supercut(composition, outputfile, padding):
      
      print("[+] Creating clips.")
      demo_supercut(composition, padding)
  
      # add padding when necessary
      for (clip, nextclip) in zip(composition, composition[1:]):
          if ((nextclip['file'] == clip['file']) and (nextclip['start'] < clip['end'])):
              nextclip['start'] += padding
  
      # put all clips together:
      all_filenames = set([c['file'] for c in composition])
      videofileclips = dict([(f, VideoFileClip(f)) for f in all_filenames])
      cut_clips = [videofileclips[c['file']].subclip(c['start'], c['end']) for c in composition]
  
      print("[+] Concatenating clips.")
      final_clip = concatenate(cut_clips)
  
      print("[+] Writing ouput file.")
      final_clip.to_videofile(outputfile, codec="libx264", temp_audiofile='temp-audio.m4a', remove_temp=True, audio_codec='aac')
docs: Concatenate video clips together and output finished video file to the
      output directory.