code: 
  
  
  
  '''simple docstring'''
  
  
  
  import inspect
  import os
  import unittest
  
  import torch
  
  import accelerate
  from accelerate import debug_launcher
  from accelerate.test_utils import (
      execute_subprocess_async,
      require_cpu,
      require_multi_gpu,
      require_single_gpu,
      test_sync,
  )
  from accelerate.utils import patch_environment
  class        UpperCAmelCase__  (    unittest.TestCase):
  
  
  
  	def    __lowerCamelCase				(  self			)  ->							Optional[Any]:
  		__UpperCamelCase				      =  inspect.getfile(accelerate.test_utils			)
  		__UpperCamelCase				      =  os.path.sep.join(mod_file.split(os.path.sep			)[:-1] + ["""scripts""", """test_sync.py"""]			)
  
  
  
  	@require_cpu
  	def    __lowerCamelCase				(  self			)  ->							Any:
  		debug_launcher(test_sync.main		,	num_processes=1			)
  
  
  
  	@require_cpu
  	def    __lowerCamelCase				(  self			)  ->							Any:
  		debug_launcher(test_sync.main			)
  
  
  
  	@require_single_gpu
  	def    __lowerCamelCase				(  self			)  ->							Dict:
  		test_sync.main()
  
  
  
  
  	@require_multi_gpu
  	def    __lowerCamelCase				(  self			)  ->							Optional[Any]:
  		print(f"Found {torch.cuda.device_count()} devices."			)
  		__UpperCamelCase				      =  ["""torchrun""", f"--nproc_per_node={torch.cuda.device_count()}", self.test_file_path]
  		with patch_environment(omp_num_threads=1			):
  			execute_subprocess_async(__snake_case		,	env=os.environ.copy()			)
  
  
  
  
  
  
style_context: 
  
  
  
  '''simple docstring'''
  
  
  
  from .stack import Stack
  
  
  
  
  
  
  
  def _lowercase   (  __A       ):
  
  
  
   '''simple docstring'''
  
  
  
   __UpperCamelCase				      =  Stack()
   __UpperCamelCase				      =  {"""(""": """)""", """[""": """]""", """{""": """}"""}
   for bracket in parentheses:
    if bracket in bracket_pairs:
     stack.push(__A       )
    elif bracket in (")", "]", "}"):
     if stack.is_empty() or bracket_pairs[stack.pop()] != bracket:
      return False
   return stack.is_empty()
  
  
  if __name__ == "__main__":
   from doctest import testmod
  
   testmod()
  
   a__						:			List[Any]										=			['((()))', '((())', '(()))']
   print('Balanced parentheses demonstration:\n')
   for example in examples:
    a__						:			int										=			'' if balanced_parentheses(example) else 'not '
    print(f'''{example} is {not_str}balanced''')
  
  
  
  
  
  