code: def __getitem__(self, index):
      return self.data[index]
  
file_path: NeMo/nemo/collections/tts/g2p/data/heteronym_classification.py
imports: import json
  import os
  import re
  from typing import Dict, List, Optional, Tuple
  import numpy
  import torch
  from nemo.collections.common.tokenizers.tokenizer_spec import TokenizerSpec
  from nemo.core.classes import Dataset
  from nemo.utils import logging
label_desc: Use image node_id 4 for calling the HeteronymClassificationDataset obj's underlying member method code with example usage: obj.__getitem__(index) and returns: self