code: def main():
      files = sorted(Path(".").glob("*.py"))
      pool = fiber.Pool(4)
      counts = pool.map(line_count, files)
      for f, c in zip(files, counts):
          print("{}\t{}".format(f, c))
  
label_desc: Use image node_id 2 for calling a global function with example usage: main() without return types