code: def test_example_features_dict_long_long_index():
      vw = Workspace(quiet=True)
      ex = vw.example({"a": {2**40: 2}})
      fs = list(ex.iter_features())
  
      assert (2**40, 2) in fs
  
imports: import os
  from pathlib import Path
  import vowpalwabbit
  from vowpalwabbit import Workspace
  import pytest
  import warnings
  import filecmp
label_desc: Use image node_id 39 for calling a global function with example usage: test_example_features_dict_long_long_index() without return types