웹 파이선 프로그래밍

def round(num):

    sign = num / abs(num)

    return int(num + sign * 0.5)

assert round(0.4) == 0

assert round(2.6) == 3

assert round(0.5) == 1

assert round(-0.1) == 0

assert round(-0.8) == -1

assert round(-3.2) == -3