code: def unstack_nested_arrays(nested_array):
      """Unstack/unbatch a nest of numpy arrays.
  
      Args:
        nested_array: Nest of numpy arrays where each array has shape [batch_size,
          ...].
  
      Returns:
        A list of length batch_size where each item in the list is a nest
          having the same structure as `nested_array`.
      """
  
      return [
          tf.nest.pack_sequence_as(nested_array, zipped)
          for zipped in _unstack_nested_arrays_into_flat_item_iterator(
              nested_array
          )
      ]
  
imports: from __future__ import absolute_import
  from __future__ import division
  from __future__ import print_function
  import collections
  import numbers
  from typing import Optional, Text
  from absl import logging
  import numpy
  from six.moves import zip
  import tensorflow
  from tf_agents.typing import types
  from tf_agents.utils import composite
  import wrapt
  from tensorflow.python.util import nest
label_desc: Use image node_id 28 for calling a global function with example usage: unstack_nested_arrays(nested_array) and returns: unknown