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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def get(self, block=True, timeout=None):
 """ Get a Task from the queue :param block: Block application until a Task is received :param timeout: Timeout after n seconds :return: :class:`~redisqueue.AbstractTask` instance :exception: ConnectionError if queue is not connected """

        if not self.connected:
            raise QueueNotConnectedError("Queue is not Connected")

        if block:
            payload = self.__db.brpop(self._key, timeout=timeout)
        else:
            payload = self.__db.rpop(self._key)

        if not payload:
            return None

        task = self.task_class(payload[1])

        # if task was marked as unique then
        # remove the unique_hash from lock table
        if task.unique:
            self.__db.srem(self._lock_key, task.unique_hash())

        return task