code: def __len__(self) -> int:
      return len(self.samples)
  
imports: import glob
  import tempfile
  from datetime import datetime
  from typing import cast, List
  import torch
  from captum._utils.av import AV
  from tests.helpers.basic import assertTensorAlmostEqual, BaseTest
  from tests.helpers.basic_models import BasicLinearReLULinear
  from torch.utils.data import DataLoader, Dataset
label_desc: Use image node_id 2 for calling the RangeDataset obj's underlying member method code with example usage: obj.__len__() and returns: len