code: def __len__(self):
      return len(self.images)
  
imports: import os
  from functools import partial
  import numpy
  import torch
  from PIL import Image
  import xml.etree.ElementTree
  import torchvision
  from torch import nn
  from torch.utils.data import Dataset, DataLoader
  from torchvision.models.detection import _utils
  from torchvision.models.detection.ssdlite import SSDLiteClassificationHead
  import albumentations
  from albumentations.pytorch import ToTensorV2
  import time
  import math
  from deepchecks.vision.detection_data import DetectionData
  from deepchecks.vision.suites import full_suite
label_desc: Use image node_id 3 for calling the TomatoDataset obj's underlying member method code with example usage: obj.__len__() and returns: len