code: def set_default_values(
      dictionary: dict, default_value_dictionary: dict
  ):
      """This function sets multiple default values recursively for various areas of the config. By using the helper
      function set_default_value, It parses input values that contain nested dictionaries, only setting values for
      parameters that have not already been defined by the user.
  
      Args:
          dictionary (dict): The dictionary to set default values for, generally a section of the config.
          default_value_dictionary (dict): The dictionary containing the default values for the config.
      """
      for key, value in default_value_dictionary.items():
          if (
              key not in dictionary
          ):  # Event where the key is not in the dictionary yet
              dictionary[key] = value
          elif value == {}:  # Event where dict is empty
              set_default_value(dictionary, key, value)
          elif (
              isinstance(value, dict) and value
          ):  # Event where dictionary is nested - recursive call
              set_default_values(dictionary[key], value)
          else:
              set_default_value(dictionary, key, value)
  
imports: import copy
  import functools
  import os
  import random
  import subprocess
  import weakref
  from collections import OrderedDict
  from collections.abc import Mapping
  from typing import Any, Dict, TYPE_CHECKING
  import numpy
  import torch
  from ludwig.api_annotations import DeveloperAPI
  from ludwig.constants import PROC_COLUMN
  from ludwig.globals import DESCRIPTION_FILE_NAME
  from ludwig.utils import fs_utils
  from ludwig.utils.fs_utils import find_non_existing_dir_by_adding_suffix
label_desc: Use image node_id 6 for calling a global function with example usage: set_default_values(dictionary, default_value_dictionary) without return types