"""simple docstring"""






import logging
import os
from logging import (
    CRITICAL,  # NOQA
    DEBUG,  # NOQA
    ERROR,  # NOQA
    FATAL,  # NOQA
    INFO,  # NOQA
    NOTSET,  # NOQA
    WARN,  # NOQA
    WARNING,  # NOQA
)
from typing import Optional

from tqdm import auto as tqdm_lib


_A   					=    {
    'debug': logging.DEBUG,
    'info': logging.INFO,
    'warning': logging.WARNING,
    'error': logging.ERROR,
    'critical': logging.CRITICAL,
}

_A   					=    logging.WARNING




def 						SCREAMING_SNAKE_CASE					(  )							->   List[Any]:
				SCREAMING_SNAKE_CASE__		  =				os.getenv("DATASETS_VERBOSITY"  ,					__UpperCAmelCase       )
				if env_level_str:
								if env_level_str in log_levels:
												return log_levels[env_level_str]
								else:
												logging.getLogger().warning(
												    F"""Unknown option DATASETS_VERBOSITY={env_level_str}, """
												    F"""has to be one of: { ", ".join(log_levels.keys()       ) }"""       )
				return _default_log_level




def 						SCREAMING_SNAKE_CASE					(  )							->   str:
				return __name__.split("."       )[0]




def 						SCREAMING_SNAKE_CASE					(  )							->   logging.Logger:
				return logging.getLogger(_get_library_name()       )




def 						SCREAMING_SNAKE_CASE					(  )							->   None:
				# Apply our default configuration to the library root logger.
				SCREAMING_SNAKE_CASE__		  =				_get_library_root_logger()
				library_root_logger.setLevel(_get_default_logging_level()       )




def 						SCREAMING_SNAKE_CASE					(  )							->   None:
				SCREAMING_SNAKE_CASE__		  =				_get_library_root_logger()
				library_root_logger.setLevel(logging.NOTSET       )




def 						SCREAMING_SNAKE_CASE					(  __UpperCAmelCase = None       )							->   logging.Logger:
				if name is None:
								SCREAMING_SNAKE_CASE__		  =				_get_library_name()
				return logging.getLogger(__UpperCAmelCase       )




def 						SCREAMING_SNAKE_CASE					(  )							->   int:
				return _get_library_root_logger().getEffectiveLevel()




def 						SCREAMING_SNAKE_CASE					(  __UpperCAmelCase       )							->   None:
				_get_library_root_logger().setLevel(__UpperCAmelCase       )




def 						SCREAMING_SNAKE_CASE					(  )							->   List[Any]:
				return set_verbosity(__UpperCAmelCase       )




def 						SCREAMING_SNAKE_CASE					(  )							->   Tuple:
				return set_verbosity(__UpperCAmelCase       )




def 						SCREAMING_SNAKE_CASE					(  )							->   Any:
				return set_verbosity(__UpperCAmelCase       )




def 						SCREAMING_SNAKE_CASE					(  )							->   Tuple:
				return set_verbosity(__UpperCAmelCase       )




def 						SCREAMING_SNAKE_CASE					(  )							->   None:
				SCREAMING_SNAKE_CASE__		  =				False




def 						SCREAMING_SNAKE_CASE					(  )							->   None:
				SCREAMING_SNAKE_CASE__		  =				True


# Configure the library root logger at the module level (singleton-like)
_configure_library_root_logger()

class lowerCamelCase		:






					'''simple docstring'''


					def __init__(						self			:				Optional[Any]   , *_snake_case			:				Dict   , **_snake_case			:				Tuple		)							->       str:  # pylint: disable=unused-argument
									SCREAMING_SNAKE_CASE__		  =				args[0] if args else None



					def __iter__(						self			:				Tuple		)							->       Dict:
									return iter(self._iterator		)



					def __getattr__(						self			:				str   , _snake_case			:				Tuple		)							->       int:

									def empty_fn(*_snake_case			:				Any   , **_snake_case			:				int		):  # pylint: disable=unused-argument
													return

									return empty_fn



					def __enter__(						self			:				Dict		)							->       List[Any]:
									return self



					def __exit__(						self			:				Dict   , _snake_case			:				List[Any]   , _snake_case			:				Dict   , _snake_case			:				Any		)							->       Any:
									return



_A   					=    True

class lowerCamelCase		:






					'''simple docstring'''


					def __call__(						self			:				List[str]   , *_snake_case			:				int   , _snake_case			:				str=False   , **_snake_case			:				Any		)							->       List[str]:
									if _tqdm_active and not disable:
													return tqdm_lib.tqdm(*_snake_case   , **_snake_case		)
									else:
													return EmptyTqdm(*_snake_case   , **_snake_case		)



					def 			lowerCAmelCase_					(						self			:				str   , *_snake_case			:				Any   , **_snake_case			:				Optional[int]		)							->       Dict:
									SCREAMING_SNAKE_CASE__		  =				None
									if _tqdm_active:
													return tqdm_lib.tqdm.set_lock(*_snake_case   , **_snake_case		)



					def 			lowerCAmelCase_					(						self			:				Tuple		)							->       Tuple:
									if _tqdm_active:
													return tqdm_lib.tqdm.get_lock()



_A   					=    _tqdm_cls()




def 						SCREAMING_SNAKE_CASE					(  )							->   bool:
				global _tqdm_active
				return bool(_tqdm_active       )




def 						SCREAMING_SNAKE_CASE					(  )							->   List[str]:
				global _tqdm_active
				SCREAMING_SNAKE_CASE__		  =				True




def 						SCREAMING_SNAKE_CASE					(  )							->   Optional[Any]:
				global _tqdm_active
				SCREAMING_SNAKE_CASE__		  =				False





"""simple docstring"""






from math import pi




def 						SCREAMING_SNAKE_CASE					(  __UpperCAmelCase  ,					__UpperCAmelCase       )							->   float:
				return 2 * pi * radius * (angle / 360)


if __name__ == "__main__":
						print(arc_length(9_0, 1_0))




