text: import pickle
  import typing
  
  
  def save_pickle(obj: typing.Any, file_name: str) -> None:
      """
      Save object in pickle file.
      Args:
          obj: object to dump.
          file_name: file name to dump to.
      """
      with open(file_name, 'ab') as file:
          pickle.dump(obj, file)
  