code: def chunks(l, n):
      """
      Yield successive n-sized chunks from l.
      """
      for i in range(0, len(l), n):
          yield l[i : i + n]
  
imports: import shutil
  import tempfile
  from contextlib import contextmanager
  from typing import Tuple
  import numpy
label_desc: Use image node_id 2 for calling a global function with example usage: chunks(l, n) without return types