code: def ad():
      return load_preproc_data_adult().split([0.7], shuffle=True)[0]
  
file_path: AIF360/tests/test_lfr.py
imports: import os
  import sys
  import numpy
  import pytest
  from aif360.algorithms.preprocessing import LFR
  from aif360.algorithms.preprocessing.optim_preproc_helpers.data_preproc_functions import load_preproc_data_adult
label_desc: Use image node_id 2 for calling a global function with example usage: ad() and returns: load_preproc_data_adult