




'''simple docstring'''



from transformers import BertTokenizerFast

from .custom_tokenization import CustomTokenizer






class 				_a							(       SCREAMING_SNAKE_CASE__      ):





       '''simple docstring'''






       A		:							Union[str, Any]								=		CustomTokenizer
       pass









"""simple docstring"""



def 		__lowercase     (   snake_case_  :  int						)   ->int:



    '''simple docstring'''







    assert (
        isinstance(snake_case_				,snake_case_						) 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    :						List[Any]						 =     1, 1
    for _ in range(number_of_steps - 1						):
        __A ,       __A    :						List[str]						 =     current + previous, current
    return current


if __name__ == "__main__":
       import doctest

       doctest.testmod()




