code: 
  
  """simple docstring"""
  
  
  
  
  import abc
  import copy
  import dataclasses
  from dataclasses import dataclass
  from typing import ClassVar, Dict, Type, TypeVar
  
  from ..features import Features
  
  
  __A  :					Dict												=	TypeVar('T', bound='TaskTemplate')
  
  
  
  
  
  @dataclass(frozen=UpperCamelCase__		)
  class     __UpperCamelCase				(     abc.ABC		):
  		# `task` is not a ClassVar since we want it to be part of the `asdict` output for JSON serialization
  		SCREAMING_SNAKE_CASE              =					42
  		SCREAMING_SNAKE_CASE              =					42
  		SCREAMING_SNAKE_CASE              =					42
  
  
  		def       SCREAMING_SNAKE_CASE__     (self				:	Optional[Any]  ,  __SCREAMING_SNAKE_CASE				:	Union[str, Any]):
  							return copy.deepcopy(self)
  
  
  		@property
  		def       SCREAMING_SNAKE_CASE__     (self				:	Optional[int]):
  							return Features(**self.input_schema  ,  **self.label_schema)
  
  
  		@property
  		@abc.abstractmethod
  		def       SCREAMING_SNAKE_CASE__     (self				:	Dict):
  							raise NotImplementedError
  
  
  		@classmethod
  		def       SCREAMING_SNAKE_CASE__     (cls				:	Union[str, Any]  ,  __SCREAMING_SNAKE_CASE				:	List[Any]):
  							A    =      {f.name for f in dataclasses.fields(cls)}
  							return cls(**{k: v for k, v in template_dict.items() if k in field_names})
  
  
  
  
  
  
style_context: 
  
  """simple docstring"""
  
  
  
  
  def      __SCREAMING_SNAKE_CASE		(		lowercase__   ):
  					"""simple docstring"""
  					if not isinstance(lowercase__    ,							lowercase__   ):
  										raise ValueError("double_factorial() only accepts integral values"   )
  					if n < 0:
  										raise ValueError("double_factorial() not defined for negative values"   )
  					return 1 if n <= 1 else n * double_factorial(n - 2   )
  
  
  if __name__ == "__main__":
  	import doctest
  
  	doctest.testmod()
  
  
  
  
  
  