

'''simple docstring'''







from ..utils import DummyObject, requires_backends


class 					A__      (      metaclass=_snake_case			):
    lowercase						=		["keras_nlp"]



    def __init__(					self		,				*UpperCamelCase__		,				**UpperCamelCase__       )						->      Optional[Any]:





           '''simple docstring'''
           requires_backends(self		,				["""keras_nlp"""]       )



'''simple docstring'''







def       UpperCAmelCase__    (      UpperCAmelCase__				)			->			int:
       assert (
           isinstance(UpperCAmelCase__,       UpperCAmelCase__				) and number_of_steps > 0
       ), F'''number_of_steps needs to be positive integer, your input {number_of_steps}'''
       if number_of_steps == 1:
              return 1
       A_					,			A_						=      1, 1
       for _ in range(number_of_steps - 1				):
              A_					,			A_						=      current + previous, current
       return current


if __name__ == "__main__":
      import doctest

      doctest.testmod()
