code: def version():
      """Return the version of cuDNN."""
      if not _init():
          return None
      return __cudnn_version
  
file_path: pytorch/torch/backends/cudnn/__init__.py
imports: import os
  import sys
  import warnings
  from contextlib import contextmanager
  import torch
  from torch.backends import __allow_nonbracketed_mutation, ContextProp, PropModule
label_desc: Use image node_id 1 for calling a global function with example usage: version() and returns: __cudnn_version, None