





'''simple docstring'''


import numpy as np


def 						__a(SCREAMING_SNAKE_CASE_	:       np.array     ):



    '''simple docstring'''





    return 1 / (1 + np.exp(-vector     ))


if __name__ == "__main__":
       import doctest

       doctest.testmod()









'''simple docstring'''


from __future__ import annotations


def 						__a(SCREAMING_SNAKE_CASE_	:       list     ):



    '''simple docstring'''





    if not nums:
        raise ValueError("List is empty"     )
    return sum(SCREAMING_SNAKE_CASE_     ) / len(SCREAMING_SNAKE_CASE_     )


if __name__ == "__main__":
       import doctest

       doctest.testmod()


