
"""simple docstring"""




import math
import random


def     __magic_name__      ( __snake_case							:			float	,					__snake_case							:			bool = False    )					->							float:
       if deriv:
              return value * (1 - value)
       return 1 / (1 + math.exp(-value    ))


# Initial Value
_A     :			List[str]  						=			0.0_2


def     __magic_name__      ( __snake_case							:			int	,					__snake_case							:			int    )					->							float:
       lowercase       :							Optional[int]									=				float(2 * (random.randint(1	,					100    )) - 1    )

       for _ in range(__snake_case    ):
              # Forward propagation
              lowercase       :							List[str]									=				sigmoid_function(INITIAL_VALUE * weight    )
              # How much did we miss?
              lowercase       :							List[Any]									=				(expected / 100) - layer_a
              # Error delta
              lowercase       :							Optional[int]									=				layer_1_error * sigmoid_function(__snake_case	,					__snake_case    )
              # Update weight
              weight += INITIAL_VALUE * layer_1_delta

       return layer_a * 100


if __name__ == "__main__":
   import doctest

   doctest.testmod()

   _A     :			Optional[Any]  						=			int(input("""Expected value: """))
   _A     :			Optional[Any]  						=			int(input("""Number of propagations: """))
   print(forward_propagation(expected, number_propagations))




"""simple docstring"""




def     __magic_name__      ( __snake_case							:			Any	,					__snake_case							:			Union[str, Any]	,					__snake_case							:			Union[str, Any]=False    )					->							Optional[Any]:

       if isinstance(__snake_case	,					__snake_case    ) and isinstance(__snake_case	,					__snake_case    ):
              lowercase       :							Tuple									=				len(set_a.intersection(__snake_case    )    )

              if alternative_union:
                     lowercase       :							Union[str, Any]									=				len(__snake_case    ) + len(__snake_case    )
              else:
                     lowercase       :							Optional[Any]									=				len(set_a.union(__snake_case    )    )

              return intersection / union

       if isinstance(__snake_case	,					(list, tuple)    ) and isinstance(__snake_case	,					(list, tuple)    ):
              lowercase       :							Tuple									=				[element for element in set_a if element in set_b]

              if alternative_union:
                     lowercase       :							List[str]									=				len(__snake_case    ) + len(__snake_case    )
                     return len(__snake_case    ) / union
              else:
                     lowercase       :							Dict									=				set_a + [element for element in set_b if element not in set_a]
                     return len(__snake_case    ) / len(__snake_case    )

              return len(__snake_case    ) / len(__snake_case    )
       return None


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


