code: def _read_dictionary(filename):
      d = {}
      with open(filename, "r+") as f:
          for line in f:
              line = line.strip().split("\t")
              d[line[1]] = int(line[0])
      return d
  
imports: from __future__ import absolute_import
  import os, sys
  import pickle
  import networkx
  import numpy
  import scipy.sparse
  from ..None import backend
  from ..convert import graph
  from ..utils import retry_method_with_fix
  from .dgl_dataset import DGLBuiltinDataset
  from .utils import _get_dgl_url, deprecate_function, deprecate_property, download, extract_archive, generate_mask_tensor, get_download_dir, load_graphs, load_info, makedirs, save_graphs, save_info
label_desc: Use image node_id 1 for calling a global function with example usage: _read_dictionary(filename) and returns: d