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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 more_like_this(self, q, mltfl, handler='mlt', **kwargs):
 """ Finds and returns results similar to the provided query. Returns ``self.results_cls`` class object (defaults to ``pysolr.Results``) Requires Solr 1.3+. Usage:: similar = solr.more_like_this('id:doc_234', 'text') """

        params = {
            'q': q,
            'mlt.fl': mltfl,
        }
        params.update(kwargs)
        response = self._mlt(params, handler=handler)
        decoded = self.decoder.decode(response)

        self.log.debug(
            "Found '%s' MLT results.",
            # cover both cases: there is no response key or value is None
            (decoded.get('response', {}) or {}).get('numFound', 0)
        )
        return self.results_cls(decoded)