code: def set_seed(seed: int = 13):
      """
      Sets a seed to ensure reproducibility. Does NOT ensure reproducibility.
  
      Parameters
      ----------
      seed
          seed to be set
      """
      # others
      os.environ["PYTHONHASHSEED"] = str(seed)
      random.seed(seed)
      np.random.seed(seed)
  
      # tf random
      tf.random.set_seed(seed)
  
imports: import os
  import random
  from typing import Any, List, Dict, Callable, Union, Optional, TYPE_CHECKING
  import numpy
  import tensorflow
  import tensorflow.keras
  from alibi.explainers.backends.cfrl_base import CounterfactualRLDataset
  from alibi.models.tensorflow.actor_critic import Actor, Critic
label_desc: Use image node_id 19 for calling a global function with example usage: set_seed(seed) without return types