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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 library_sequencing_results(self):
 """ Generates a dict. where each key is a Library ID on the SequencingRequest and each value is the associated SequencingResult. Libraries that aren't yet with a SequencingResult are not inlcuded in the dict. """

        sres_ids = self.sequencing_result_ids
        res = {}
        for i in sres_ids:
            sres = SequencingResult(i)
            res[sres.library_id] = sres
        return res