code: def __len__(self):
      return len(self.starts)
  
imports: import json
  import logging
  import os
  import random
  from pathlib import Path
  import numpy
  import torch
  import torch.utils.data
  from .None import data_utils
  from fairseq.data.fairseq_dataset import FairseqDataset
label_desc: Use image node_id 6 for calling the CodeDataset obj's underlying member method code with example usage: obj.__len__() and returns: len