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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_tweet(self, id):
 """ Get an existing tweet. :param id: ID of the tweet in question :return: Tweet object. None if not found """

        try:
            return Tweet(self._client.get_status(id=id)._json)
        except TweepError as e:
            if e.api_code == TWITTER_TWEET_NOT_FOUND_ERROR:
                return None
            raise