code: def _parse_function(img, label):
      image_resized = tf.image.resize(img, [image_size, image_size])
      return tf.cast(image_resized, dtype=tf.float32) / 255.0, tf.cast(
          label, dtype=tf.uint8
      )
  
file_path: BigDL/python/orca/example/learn/tf/transfer_learning/transfer_learning.py
imports: import os
  from os.path import exists
  from os import makedirs
  import argparse
  import tensorflow
  import tensorflow_datasets
  from tensorflow import keras
  from bigdl.orca import init_orca_context, stop_orca_context
  from bigdl.orca.learn.tf.estimator import Estimator
label_desc: Use image node_id 1 for calling a global function with example usage: _parse_function(img, label) and returns: unknown,  tf