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Solve the following problem using Python, implementing the functions described below, one line at a time
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<USER_TASK:>
Description:
 def replies(self, tweet, recursive=False, prune=()):
 """ replies returns a generator of tweets that are replies for a given tweet. It includes the original tweet. If you would like to fetch the replies to the replies use recursive=True which will do a depth-first recursive walk of the replies. It also walk up the reply chain if you supply a tweet that is itself a reply to another tweet. You can optionally supply a tuple of tweet ids to ignore during this traversal using the prune parameter. """


        yield tweet

        # get replies to the tweet
        screen_name = tweet['user']['screen_name']
        tweet_id = tweet['id_str']
        log.info("looking for replies to: %s", tweet_id)
        for reply in self.search("to:%s" % screen_name, since_id=tweet_id):

            if reply['in_reply_to_status_id_str'] != tweet_id:
                continue

            if reply['id_str'] in prune:
                log.info("ignoring pruned tweet id %s", reply['id_str'])
                continue

            log.info("found reply: %s", reply["id_str"])

            if recursive:
                if reply['id_str'] not in prune:
                    prune = prune + (tweet_id,)
                    for r in self.replies(reply, recursive, prune):
                        yield r
            else:
                yield reply

        # if this tweet is itself a reply to another tweet get it and
        # get other potential replies to it

        reply_to_id = tweet.get('in_reply_to_status_id_str')
        log.info("prune=%s", prune)
        if recursive and reply_to_id and reply_to_id not in prune:
            t = self.tweet(reply_to_id)
            if t:
                log.info("found reply-to: %s", t['id_str'])
                prune = prune + (tweet['id_str'],)
                for r in self.replies(t, recursive=True, prune=prune):
                    yield r

        # if this tweet is a quote go get that too whatever tweets it
        # may be in reply to

        quote_id = tweet.get('quotes_status_id_str')
        if recursive and quote_id and quote_id not in prune:
            t = self.tweet(quote_id)
            if t:
                log.info("found quote: %s", t['id_str'])
                prune = prune + (tweet['id_str'],)
                for r in self.replies(t, recursive=True, prune=prune):
                    yield r