
'''simple docstring'''
from abc import ABC, abstractmethod
from typing import Optional, Union

from .. import Dataset, DatasetDict, Features, IterableDataset, IterableDatasetDict, NamedSplit
from ..utils.typing import NestedDataStructureLike, PathLike







class  __A				( _SCREAMING_SNAKE_CASE			):
 def __init__(   self			:    Optional[Any]				,   lowerCamelCase			:    Optional[NestedDataStructureLike[PathLike]] = None				,   lowerCamelCase			:    Optional[NamedSplit] = None				,   lowerCamelCase			:    Optional[Features] = None				,   lowerCamelCase			:    str = None				,   lowerCamelCase			:    bool = False				,   lowerCamelCase			:    bool = False				,   lowerCamelCase			:    Optional[int] = None				,   **lowerCamelCase			:    Union[str, Any]				,   ):



   """simple docstring"""





   __A		:     List[str]												=		path_or_paths
   __A		:     List[Any]												=		split if split or isinstance(lowerCamelCase				,   lowerCamelCase       ) else """train"""
   __A		:     List[Any]												=		features
   __A		:     Tuple												=		cache_dir
   __A		:     str												=		keep_in_memory
   __A		:     Tuple												=		streaming
   __A		:     str												=		num_proc
   __A		:     int												=		kwargs






 @abstractmethod
 def 		lowercase_(   self			:    Any       ):



   """simple docstring"""





   pass







class  __A				( _SCREAMING_SNAKE_CASE			):
 def __init__(   self			:    Optional[int]				,   lowerCamelCase			:    Optional[Features] = None				,   lowerCamelCase			:    str = None				,   lowerCamelCase			:    bool = False				,   lowerCamelCase			:    bool = False				,   lowerCamelCase			:    Optional[int] = None				,   **lowerCamelCase			:    List[Any]				,   ):



   """simple docstring"""





   __A		:     List[str]												=		features
   __A		:     str												=		cache_dir
   __A		:     Union[str, Any]												=		keep_in_memory
   __A		:     str												=		streaming
   __A		:     Optional[int]												=		num_proc
   __A		:     int												=		kwargs






 @abstractmethod
 def 		lowercase_(   self			:    Optional[Any]       ):



   """simple docstring"""





   pass





'''simple docstring'''
def        A_     (						__SCREAMING_SNAKE_CASE						:  list			,     __SCREAMING_SNAKE_CASE						:  list			,     __SCREAMING_SNAKE_CASE						:  int			,     __SCREAMING_SNAKE_CASE						:  int			,     __SCREAMING_SNAKE_CASE						:  int )				->       int:





  """simple docstring"""

  if index == number_of_items:
    return 0
  __A		:     List[Any]												=		0
  __A		:     Union[str, Any]												=		0
  __A		:     List[Any]												=		knapsack(__SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     index + 1 )
  if weights[index] <= max_weight:
    __A		:     Tuple												=		values[index] + knapsack(
        __SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE			,     max_weight - weights[index]			,     index + 1 )
  return max(__SCREAMING_SNAKE_CASE			,     __SCREAMING_SNAKE_CASE )


if __name__ == "__main__":
     import doctest

     doctest.testmod()



