code: def is_multidata(dataB):
      return isinstance(dataB, list) or isinstance(dataB, tuple)
  
imports: import math
  import os
  import shutil
  import sys
  import time
  import torch
  import torch.distributions
  import torch.nn.functional
  from datasets import CUBImageFt
label_desc: Use image node_id 3 for calling a global function with example usage: is_multidata(dataB) and returns: unknown