Сергей Горностаев

def neighbors(x):
    def in_bounds(i, j, x):
        return 0 <= i < len(x) and 0 <= j < len(x[0])

    return [[x[i + di][j + dj] for di in (-1, 0, 1)
                               for dj in (-1, 0, 1)
                               if in_bounds(i + di, j + dj, x) and (di != 0 or dj != 0)]
            for i in range(len(x))
            for j in range(len(x[0]))]

longpoll = VkLongPoll(vk_session)
for event in longpoll.listen():

public void connect(SocketAddress endpoint, int timeout) throws IOException