






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 		_snake_case	(	A__       ):






			def __init__(							self		,       a = None		,       a = None		,       a = None		,       a = None		,       a = False		,       a = False		,       a = None		,       **a		,       )   ->							List[str]:
						SCREAMING_SNAKE_CASE							=			path_or_paths
						SCREAMING_SNAKE_CASE							=			split if split or isinstance(a		,       a) else 'train'
						SCREAMING_SNAKE_CASE							=			features
						SCREAMING_SNAKE_CASE							=			cache_dir
						SCREAMING_SNAKE_CASE							=			keep_in_memory
						SCREAMING_SNAKE_CASE							=			streaming
						SCREAMING_SNAKE_CASE							=			num_proc
						SCREAMING_SNAKE_CASE							=			kwargs







			@abstractmethod
			def  SCREAMING_SNAKE_CASE__     (							self)   ->							Union[Dataset, DatasetDict, IterableDataset, IterableDatasetDict]:
						pass



class 		_snake_case	(	A__       ):






			def __init__(							self		,       a = None		,       a = None		,       a = False		,       a = False		,       a = None		,       **a		,       )   ->							Union[str, Any]:
						SCREAMING_SNAKE_CASE							=			features
						SCREAMING_SNAKE_CASE							=			cache_dir
						SCREAMING_SNAKE_CASE							=			keep_in_memory
						SCREAMING_SNAKE_CASE							=			streaming
						SCREAMING_SNAKE_CASE							=			num_proc
						SCREAMING_SNAKE_CASE							=			kwargs







			@abstractmethod
			def  SCREAMING_SNAKE_CASE__     (							self)   ->							Union[Dataset, IterableDataset]:
						pass








def 	_lowerCAmelCase					( UpperCamelCase__:  str				,       UpperCamelCase__:  int				,       UpperCamelCase__:  Any=False    )			-> str:





	"""simple docstring"""







	if isinstance(UpperCamelCase__				,       UpperCamelCase__    ) and isinstance(UpperCamelCase__				,       UpperCamelCase__    ):
		A             =					len(set_a.intersection(UpperCamelCase__    )    )

		if alternative_union:
			A             =					len(UpperCamelCase__    ) + len(UpperCamelCase__    )
		else:
			A             =					len(set_a.union(UpperCamelCase__    )    )

		return intersection / union

	if isinstance(UpperCamelCase__				,       (list, tuple)    ) and isinstance(UpperCamelCase__				,       (list, tuple)    ):
		A             =					[element for element in set_a if element in set_b]

		if alternative_union:
			A             =					len(UpperCamelCase__    ) + len(UpperCamelCase__    )
			return len(UpperCamelCase__    ) / union
		else:
			A             =					set_a + [element for element in set_b if element not in set_a]
			return len(UpperCamelCase__    ) / len(UpperCamelCase__    )

		return len(UpperCamelCase__    ) / len(UpperCamelCase__    )
	return None


if __name__ == "__main__":
				_lowercase							:   List[Any]						=						{"a", "b", "c", "d", "e"}
				_lowercase							:   List[Any]						=						{"c", "d", "e", "f", "h", "i"}
				print(jaccard_similarity(set_a, set_b))



