code: def numel(self):
      return int(product(self.shape))
  
imports: import os, sys, json, re
  import tempfile
  import copy
  import inspect
  import logging
  import importlib
  from .None import solver
  from .None import patterns
label_desc: Use image node_id 5 for calling the Custom obj's underlying member method code with example usage: obj.numel() and returns: int