code: 
  
  
  '''simple docstring'''
  
  
  
  # Copyright 2022 The HuggingFace Team. All rights reserved.
  #
  # Licensed under the Apache License, Version 2.0 (the "License");
  # you may not use this file except in compliance with the License.
  # You may obtain a copy of the License at
  #
  #     http://www.apache.org/licenses/LICENSE-2.0
  #
  # Unless required by applicable law or agreed to in writing, software
  # distributed under the License is distributed on an "AS IS" BASIS,
  # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  # See the License for the specific language governing permissions and
  # limitations under the License.
  
  from pathlib import Path
  
  from .config_args import default_config_file, load_config_from_file
  from .config_utils import SubcommandHelpFormatter
  
  
  __lowercase			:		Optional[int] =			'Update an existing config file with the latest defaults while maintaining the old configuration.'
  
  
  
  
  
  
  def 						lowerCamelCase							(_SCREAMING_SNAKE_CASE   :     List[str]     ):
  					__a    : str      					=						args.config_file
  					if config_file is None and Path(_SCREAMING_SNAKE_CASE     ).exists():
  										__a    : str      					=						default_config_file
  					elif not Path(_SCREAMING_SNAKE_CASE     ).exists():
  										raise ValueError(F"""The passed config file located at {config_file} doesn't exist."""     )
  					__a    : List[str]      					=						load_config_from_file(_SCREAMING_SNAKE_CASE     )
  
  					if config_file.endswith('.json'     ):
  										config.to_json_file(_SCREAMING_SNAKE_CASE     )
  					else:
  										config.to_yaml_file(_SCREAMING_SNAKE_CASE     )
  					return config_file
  
  
  
  
  
  
  def 						lowerCamelCase							(_SCREAMING_SNAKE_CASE   :     Union[str, Any]		,   _SCREAMING_SNAKE_CASE   :     Union[str, Any]     ):
  					__a    : str      					=						parser.add_parser('update'		,   parents=_SCREAMING_SNAKE_CASE		,   help=_SCREAMING_SNAKE_CASE		,   formatter_class=_SCREAMING_SNAKE_CASE     )
  					parser.add_argument(
  					    '--config_file'		,   default=_SCREAMING_SNAKE_CASE		,   help=(
  					        'The path to the config file to update. Will default to a file named default_config.yaml in the cache '
  					        'location, which is the content of the environment `HF_HOME` suffixed with \'accelerate\', or if you don\'t have '
  					        'such an environment variable, your cache directory (\'~/.cache\' or the content of `XDG_CACHE_HOME`) suffixed '
  					        'with \'huggingface\'.'
  					    )		,   )
  
  					parser.set_defaults(func=_SCREAMING_SNAKE_CASE     )
  					return parser
  
  
  
  
  
  
  def 						lowerCamelCase							(_SCREAMING_SNAKE_CASE   :     Tuple     ):
  					__a    : Union[str, Any]      					=						update_config(_SCREAMING_SNAKE_CASE     )
  					print(F"""Sucessfully updated the configuration file at {config_file}."""     )
  
  
  
  
style_context: 
  
  
  '''simple docstring'''
  
  
  
  import itertools
  
  
  
  
  
  
  def 						lowerCamelCase							(_SCREAMING_SNAKE_CASE   :     int = 1_000_000     ):
  					__a    : str      					=						[1]
  
  					for i in itertools.count(len(_SCREAMING_SNAKE_CASE     )     ):
  										__a    : Dict      					=						0
  										for j in itertools.count(1     ):
  															__a    : int      					=						-1 if j % 2 == 0 else +1
  															__a    : Optional[int]      					=						(j * j * 3 - j) // 2
  															if index > i:
  																				break
  															item += partitions[i - index] * sign
  															item %= number
  															index += j
  															if index > i:
  																				break
  															item += partitions[i - index] * sign
  															item %= number
  
  										if item == 0:
  															return i
  										partitions.append(_SCREAMING_SNAKE_CASE     )
  
  					return 0
  
  
  if __name__ == "__main__":
  	import doctest
  
  	doctest.testmod()
  
  	print(f'''{solution() = }''')
  
  
  
  