

'''simple docstring'''


def 						SCREAMING_SNAKE_CASE(  UpperCamelCase   ,UpperCamelCase   ,UpperCamelCase=False  )    ->    Optional[Any]:

	if isinstance(UpperCamelCase   ,UpperCamelCase  ) and isinstance(UpperCamelCase   ,UpperCamelCase  ):
		UpperCAmelCase_		:      Tuple       	=					len(set_a.intersection(UpperCamelCase  )  )

		if alternative_union:
			UpperCAmelCase_		:      Tuple       	=					len(UpperCamelCase  ) + len(UpperCamelCase  )
		else:
			UpperCAmelCase_		:      str       	=					len(set_a.union(UpperCamelCase  )  )

		return intersection / union

	if isinstance(UpperCamelCase   ,(list, tuple)  ) and isinstance(UpperCamelCase   ,(list, tuple)  ):
		UpperCAmelCase_		:      Dict       	=					[element for element in set_a if element in set_b]

		if alternative_union:
			UpperCAmelCase_		:      Optional[Any]       	=					len(UpperCamelCase  ) + len(UpperCamelCase  )
			return len(UpperCamelCase  ) / union
		else:
			UpperCAmelCase_		:      Optional[int]       	=					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__":
						lowerCAmelCase__										= {"a", "b", "c", "d", "e"}
						lowerCAmelCase__										= {"c", "d", "e", "f", "h", "i"}
						print(jaccard_similarity(set_a, set_b))









'''simple docstring'''


from __future__ import annotations

from typing import Any



class 					lowercase						(  a_ ):
							pass



class 					lowercase						:


							def __init__(			self    ,			_snake_case)							->				None:
								UpperCAmelCase_		:      Any       	=					data
								UpperCAmelCase_		:      Node | None       	=					None


							def __iter__(			self)							->				Optional[int]:
								UpperCAmelCase_		:      int       	=					self
								UpperCAmelCase_		:      List[str]       	=					[]
								while node:
									if node in visited:
										raise ContainsLoopError
									visited.append(_snake_case)
									yield node.data
									UpperCAmelCase_		:      Tuple       	=					node.next_node





							@property
							def 						_snake_case							(			self)							->				bool:
								try:
									list(self)
									return False
								except ContainsLoopError:
									return True


if __name__ == "__main__":
						lowerCAmelCase__										= Node(1)
						lowerCAmelCase__										= Node(2)
						lowerCAmelCase__										= Node(3)
						lowerCAmelCase__										= Node(4)
						print(root_node.has_loop)  # False
						lowerCAmelCase__										= root_node.next_node
						print(root_node.has_loop)  # True

						lowerCAmelCase__										= Node(5)
						lowerCAmelCase__										= Node(6)
						lowerCAmelCase__										= Node(5)
						lowerCAmelCase__										= Node(6)
						print(root_node.has_loop)  # False

						lowerCAmelCase__										= Node(1)
						print(root_node.has_loop)  # False






