code: def volume(tensor):
      """return the volume of a pytorch tensor"""
      if isinstance(tensor, torch.FloatTensor) or isinstance(
          tensor, torch.cuda.FloatTensor
      ):
          return np.prod(tensor.shape)
      if isinstance(tensor, tuple) or isinstance(tensor, list):
          return np.prod(tensor)
      raise ValueError
  
imports: import argparse
  from collections import OrderedDict
  from copy import deepcopy
  import logging
  import operator
  import random
  import numpy
  import torch
  import torch.nn
  import torch.backends.cudnn
  import yaml
  import inspect
label_desc: Use image node_id 11 for calling a global function with example usage: volume(tensor) and returns: np, np