code: def comment_lines(lines, prefix, suffix=""):
      """Return commented lines"""
      if not prefix:
          return lines
      if not suffix:
          return [
              prefix + " " + line if line else prefix for line in lines
          ]
      return [
          prefix + " " + line + " " + suffix
          if line
          else prefix + " " + suffix
          for line in lines
      ]
  
label_desc: Use image node_id 6 for calling a global function with example usage: comment_lines(lines, prefix, suffix) and returns: unknown, lines, unknown