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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_subcellular_locations(self, entry):
 """ get list of models.SubcellularLocation object from XML node entry :param entry: XML node entry :return: list of :class:`pyuniprot.manager.models.SubcellularLocation` object """

        subcellular_locations = []
        query = './comment/subcellularLocation/location'
        sls = {x.text for x in entry.iterfind(query)}

        for sl in sls:

            if sl not in self.subcellular_locations:
                self.subcellular_locations[sl] = models.SubcellularLocation(location=sl)
            subcellular_locations.append(self.subcellular_locations[sl])

        return subcellular_locations