def for vk

def thu():
    thursday = cursor.execute("SELECT * FROM timetable_pks_2 WHERE day ='Четверг'")
    while True:
        thursday = cursor.fetchone()
        if thursday == None:
            break
            vk.messages.send(
                    user_id=event.user_id,
                    message = (thursday[0], '\n', thursday[1], '\n', thursday[2], '\n', thursday[3], '\n', thursday[4]),
                    random_id=randint(1, 100000000000000000000000000000000),
                    keyboard=keyboard.get_keyboard()
                )