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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 blacked_out(self):
 """ Return true if we are disconnected from the given node and can't re-establish a connection yet """

        if self.state is ConnectionStates.DISCONNECTED:
            if time.time() < self.last_attempt + self._reconnect_backoff:
                return True
        return False