code: def get_example_id(self, index):
      intrin_path = self.intrins[index]
      example_id = os.path.basename(os.path.dirname(intrin_path))
      return example_id
  
file_path: splatter-image/scene/srn.py
imports: import glob
  import os
  import numpy
  import torch
  from torch.utils.data import Dataset
  from .dataset_readers import readCamerasFromTxt
  from utils.general_utils import PILtoTorch, matrix_to_quaternion
  from utils.graphics_utils import getWorld2View2, getProjectionMatrix, getView2World
label_desc: Use image node_id 4 for calling the SRNDataset obj's underlying member method code with example usage: obj.get_example_id(index) and returns: example_id