code: def _is_shared_object(filename):
      """Check the file to see if it is a shared object, only using extension."""
      if platform.system() == "Linux":
          if filename.endswith(".so"):
              return True
          else:
              index = filename.rfind(".so.")
              if index == -1:
                  return False
              else:
                  # A shared object with the API version in filename
                  return filename[index + 4].isdecimal()
      elif platform.system() == "Darwin":
          return filename.endswith(".dylib")
      elif platform.system() == "Windows":
          return filename.endswith(".dll")
      else:
          return False
  
file_path: tensorflow/tensorflow/python/framework/load_library.py
imports: import errno
  import hashlib
  import importlib
  import os
  import platform
  import sys
  from tensorflow.python.client import pywrap_tf_session
  from tensorflow.python.eager import context
  from tensorflow.python.framework import _pywrap_python_op_gen
  from tensorflow.python.util import deprecation
  from tensorflow.python.util.tf_export import tf_export
label_desc: Use image node_id 3 for calling a global function with example usage: _is_shared_object(filename) and returns: True, filename, False, filename, filename, False