code: def loop(clip, n=None, duration=None):
      """
      Returns a clip that plays the current clip in an infinite loop.
      Ideal for clips coming from GIFs.
  
      Parameters
      ----------
  
      n
        Number of times the clip should be played. If `None` the
        the clip will loop indefinitely (i.e. with no set duration).
  
      duration
        Total duration of the clip. Can be specified instead of n.
      """
      previous_duration = clip.duration
      clip = clip.time_transform(
          lambda t: t % previous_duration, apply_to=["mask", "audio"]
      )
      if n:
          duration = n * previous_duration
      if duration:
          clip = clip.with_duration(duration)
      return clip
  
label_desc: Use image node_id 1 for calling a global function with example usage: loop(clip, n, duration) and returns: clip