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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 sortlevel(self, level=None, ascending=True, sort_remaining=None):
 """ For internal compatibility with with the Index API. Sort the Index. This is for compat with MultiIndex Parameters ascending : boolean, default True False to sort in descending order level, sort_remaining are compat parameters Returns ------- Index """

        return self.sort_values(return_indexer=True, ascending=ascending)