def  snake_case						(__lowercase ,      __lowercase ,      __lowercase=False						)	->	List[str]:

						'''simple docstring'''



						if isinstance(SCREAMING_SNAKE_CASE_ ,      SCREAMING_SNAKE_CASE_						) and isinstance(SCREAMING_SNAKE_CASE_ ,      SCREAMING_SNAKE_CASE_						):
												_snake_case						:					Union[str, Any]    =   len(set_a.intersection(SCREAMING_SNAKE_CASE_						)						)

												if alternative_union:
																		_snake_case						:					List[Any]    =   len(SCREAMING_SNAKE_CASE_						) + len(SCREAMING_SNAKE_CASE_						)
												else:
																		_snake_case						:					Union[str, Any]    =   len(set_a.union(SCREAMING_SNAKE_CASE_						)						)

												return intersection / union

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

												if alternative_union:
																		_snake_case						:					str    =   len(SCREAMING_SNAKE_CASE_						) + len(SCREAMING_SNAKE_CASE_						)
																		return len(SCREAMING_SNAKE_CASE_						) / union
												else:
																		_snake_case						:					Union[str, Any]    =   set_a + [element for element in set_b if element not in set_a]
																		return len(SCREAMING_SNAKE_CASE_						) / len(SCREAMING_SNAKE_CASE_						)

												return len(SCREAMING_SNAKE_CASE_						) / len(SCREAMING_SNAKE_CASE_						)
						return None


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




def  snake_case						(__lowercase						)	->	bool:

						'''simple docstring'''



						_snake_case						:					Dict    =   0
						for ch in input_str:
												_snake_case						:					int    =   ord(__lowercase						)
												_snake_case						:					List[Any]    =   pow(2 ,      __lowercase						)

												# If we already turned on bit for current character's unicode
												if bitmap >> ch_unicode & 1 == 1:
																		return False
												bitmap |= ch_bit_index_on
						return True


if __name__ == "__main__":
				import doctest

				doctest.testmod()