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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 sort(self):
 """Sorts all results rows. Sorts by: size (descending), n-gram, count (descending), label, text name, siglum. """

        self._matches.sort_values(
            by=[constants.SIZE_FIELDNAME, constants.NGRAM_FIELDNAME,
                constants.COUNT_FIELDNAME, constants.LABEL_FIELDNAME,
                constants.WORK_FIELDNAME, constants.SIGLUM_FIELDNAME],
            ascending=[False, True, False, True, True, True], inplace=True)