code: def lt42():
      ver = torchaudio.utils.ffmpeg_utils.get_versions()["libavcodec"]
      # 5.1 libavcodec     59. 18.100
      # 4.4 libavcodec     58.134.100
      # 4.3 libavcodec     58. 91.100
      # 4.2 libavcodec     58. 54.100
      # 4.1 libavcodec     58. 35.100
      return ver[0] < 59 and ver[1] < 54
  
label_desc: Use image node_id 1 for calling a global function with example usage: lt42() and returns: unknown