code: def _get_confirm_token(response):
      for key, value in response.cookies.items():
          if key.startswith("download_warning"):
              return value
      return None
  
imports: import collections
  import datetime
  import hashlib
  import io
  import json
  import os
  import shutil
  import time
  from pathlib import Path
  import numpy
  import requests
  import tqdm
  from mmf.utils.file_io import PathManager
  from mmf.utils.general import get_absolute_path
  from PIL import Image
label_desc: Use image node_id 13 for calling a global function with example usage: _get_confirm_token(response) and returns: None, value