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 ):
  
  
  
  
  
  		"""simple docstring"""
  
  
  
  
  
  		def _lowercase  (    self     )				->    str:
  				_UpperCamelCase       : List[Any]    =      inspect.getfile(accelerate.test_utils     )
  				_UpperCamelCase       : List[Any]    =      os.path.sep.join(mod_file.split(os.path.sep     )[:-1] + ['''scripts''', '''test_sync.py''']     )
  		@require_cpu
  		def _lowercase  (    self     )				->    Tuple:
  				debug_launcher(test_sync.main  ,					num_processes=1     )
  		@require_cpu
  		def _lowercase  (    self     )				->    Union[str, Any]:
  				debug_launcher(test_sync.main     )
  		@require_single_gpu
  		def _lowercase  (    self     )				->    int:
  				test_sync.main()
  
  
  
  
  		@require_multi_gpu
  		def _lowercase  (    self     )				->    Tuple:
  				print(F'''Found {torch.cuda.device_count()} devices.'''     )
  				_UpperCamelCase       : Union[str, Any]    =      ['''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'''
  
  import os
  
  
  
  
  
  
  
  def 						snake_case__	(      ) ->      Tuple:
  		_UpperCamelCase       : Dict    =      os.path.dirname(os.path.realpath(UpperCamelCase	)	)
  		_UpperCamelCase       : str    =      os.path.join(UpperCamelCase			,'''triangle.txt'''	)
  
  		with open(UpperCamelCase	) as f:
  				_UpperCamelCase       : Optional[Any]    =      f.readlines()
  
  		_UpperCamelCase       : List[str]    =      [[int(UpperCamelCase	) for y in x.rstrip('''\r\n'''	).split(''' '''	)] for x in triangle]
  
  		for i in range(1			,len(UpperCamelCase	)	):
  				for j in range(len(a[i]	)	):
  						_UpperCamelCase       : str    =      a[i - 1][j] if j != len(a[i - 1]	) else 0
  						_UpperCamelCase       : Any    =      a[i - 1][j - 1] if j > 0 else 0
  						a[i][j] += max(UpperCamelCase			,UpperCamelCase	)
  		return max(a[-1]	)
  
  
  if __name__ == "__main__":
  	print(solution())
  
  
  
  
  
  