def METHOD_NAME(X):
    a = 20.0
    b = 0.2
    c = 2.0 * m.pi
    d = len(X)
    f = (
        -a * m.exp(-b * m.sqrt(sum(x ** 2 for x in X) / d))
        - m.exp(sum(m.cos(c * x) for x in X) / d)
        + a
        + m.exp(1.0)
    )
    # print(X, f)
    return [f]