code: def load_url():
      data_home = get_data_home()
      train_file = os.path.join(data_home, "url_combined")
      return _load(train_file, None, "url")
  
imports: import os
  import numpy
  import scipy.sparse
  from sklearn.datasets.base import get_data_home
  from sklearn.utils import check_random_state
label_desc: Use image node_id 20 for calling a global function with example usage: load_url() and returns: _load