code: def num_examples(self):
      return self.labels.shape[0]
  
file_path: auptimizer/src/aup/Proposer/eas/data_providers/svhn.py
imports: import tempfile
  import os
  import scipy.io
  import numpy
  from ..data_providers.base_provider import ImagesDataSet, DataProvider
  from ..data_providers.downloader import download_data_url
label_desc: Use image node_id 3 for calling the SVHNDataSet obj's underlying member method code with example usage: obj.num_examples() and returns: self