code: def __getitem__(self, item):
      return self.samples[item]
  
file_path: pytorch-toolbelt/pytorch_toolbelt/datasets/providers/coco_detection.py
imports: import dataclasses
  import json
  import os.path
  from collections import defaultdict
  from typing import List
  import numpy
  from torch.utils.data import Dataset
label_desc: Use image node_id 2 for calling the COCODetectionDatasetReader obj's underlying member method code with example usage: obj.__getitem__(item) and returns: self