




'''simple docstring'''


def 						snake_case_       (UpperCamelCase			:    Any					,		UpperCamelCase			:    List[Any]					,		UpperCamelCase			:    List[Any]=False ):





							'''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__":
				_snake_case : Dict  				=						{'a', 'b', 'c', 'd', 'e'}
				_snake_case : Dict  				=						{'c', 'd', 'e', 'f', 'h', 'i'}
				print(jaccard_similarity(set_a, set_b))









import re

from filelock import FileLock


try:
       import nltk

       UpperCamelCase    							=      True
except (ImportError, ModuleNotFoundError):
       UpperCamelCase    							=      False

if NLTK_AVAILABLE:
       with FileLock('.lock') as lock:
              nltk.download('punkt', quiet=True)


def 				__lowerCamelCase     (							__lowerCAmelCase							:					str							)     ->  str:
   re.sub("""<n>"""					,							""""""					,							__lowerCAmelCase							)  # remove pegasus newline char
   assert NLTK_AVAILABLE, "nltk must be installed to separate newlines between sentences. (pip install nltk)"
   return "\n".join(nltk.sent_tokenize(__lowerCAmelCase							)							)



