code: def _get_data_home(data_home=None):
      if data_home is None:
          data_home = DEFAULT_DATA_DIR
  
      os.makedirs(data_home, exist_ok=True)
  
      return data_home
  
imports: import logging
  import os
  from collections import namedtuple
  from urllib.request import urlretrieve
label_desc: Use image node_id 1 for calling a global function with example usage: _get_data_home(data_home) and returns: data_home