code: def ray_setup_and_teardown(**init_args):
      ray.init(**init_args)
      try:
          yield None
      finally:
          ray.shutdown()
  
file_path: ray/python/ray/_private/ray_microbenchmark_helpers.py
imports: import time
  from typing import List, Optional, Tuple
  import os
  import ray
  import numpy
  from contextlib import contextmanager
label_desc: Use image node_id 2 for calling a global function with example usage: ray_setup_and_teardown() without return types