code: def _update_file(input_file, output_file):
      """Updates a file to be compatible with version 2.0 and later of the SageMaker Python SDK.
  
      It also writes the updated source to the output file.
  
      Args:
          input_file (str): The path to the file to be updated.
          output_file (str): The output file destination.
  
      Raises:
          ValueError: If the input and output filename extensions don't match,
              or if the file extensions are neither ".py" nor ".ipynb".
      """
      input_file_ext = os.path.splitext(input_file)[1]
      output_file_ext = os.path.splitext(output_file)[1]
  
      if input_file_ext != output_file_ext:
          raise ValueError(
              "Mismatched file extensions: input: {}, output: {}".format(
                  input_file_ext, output_file_ext
              )
          )
  
      if input_file_ext not in _EXT_TO_UPDATER_CLS:
          raise ValueError(
              "Unrecognized file extension: {}".format(input_file_ext)
          )
  
      updater_cls = _EXT_TO_UPDATER_CLS[input_file_ext]
      updater_cls(
          input_path=input_file, output_path=output_file
      ).update()
  
imports: from __future__ import absolute_import
  import argparse
  import os
  from sagemaker.cli.compatibility.v2 import files
label_desc: Use image node_id 1 for calling a global function with example usage: _update_file(input_file, output_file) without return types