message: Add example for tf.keras.utils.get_file. Did not make it testable since it involves file download.
diff: @@ -182,6 +182,15 @@ def get_file(fname,
  Passing a hash will verify the file after download. The command line
  programs `shasum` and `sha256sum` can compute the hash.
  + Example:
  +
  + ```python
  + path_to_downloaded_file = tf.keras.utils.get_file(
  + "flower_photos",
  + "https://storage.googleapis.com/download.tensorflow.org/example_images/flower_photos.tgz",
  + untar=True)
  + ```
  +
  Arguments:
  fname: Name of the file. If an absolute path `/path/to/file.txt` is
  specified the file will be saved at that location.
  