for event in longpool.check():
    if event.type == VkEventType.MESSAGE_NEW:
        msg = event.message.lower()
        id = event.user_id
        if event.to_me:
            if msg == "привет":
                ffmsg(id, "Здравствуйте.")
            elif msg == "команды" or "Команды":
                fffmsg(id, "Мои команды: Погода, Википедия")

 for event in longpool.check(): ...

 while 1:
    ...