class_docstr: Contructor 
class_docstr_tok: ["Contructor"]
code: def size(self):
      count = 0
      for g in self.store.values():
          count = count + len(g.items())
      return count
  
file_path: deepchem/examples/roitberg/pyanitools.py
imports: import h5py
  import numpy
  import platform
  import os
label_desc: Use image node_id 8 for calling the anidataloader obj's underlying member method code with example usage: obj.size() and returns: count