code: def _process_chunk(fn, chunk):
      """Processes a chunk of an iterable passed to map.
  
      Runs the function passed to map() on a chunk of the
      iterable passed to map.
  
      This function is run in a separate process.
  
      """
      return [fn(*args) for args in chunk]
  
imports: import os
  from concurrent.futures import _base
  import queue
  import multiprocessing
  import multiprocessing.connection
  from multiprocessing.queues import Queue
  import threading
  import weakref
  from functools import partial
  import itertools
  import sys
  from traceback import format_exception
label_desc: Use image node_id 4 for calling a global function with example usage: _process_chunk(fn, chunk) and returns: unknown