code: def is_cuda_available():
      return bool(tf.config.list_physical_devices("GPU"))
  
imports: import argparse
  import json
  import logging
  import os
  import sys
  from unittest import skip
  from unittest.mock import patch
  import tensorflow
  from transformers.testing_utils import TestCasePlus, get_gpu_count, slow
label_desc: Use image node_id 3 for calling a global function with example usage: is_cuda_available() and returns: bool