def show_structure(self):
        'Diagnostic method.  Not part of the API.'
        print '=' * 50
        print self
        print 'Indices:', self.indices
        for i, row in enumerate(zip(self.hashlist, self.keylist, self.valuelist)):
            print i, row
        print '-' * 50
Diagnostic method.  Not part of the API.
recipes/Python/578375_Proofofconcept_more_spaceefficient/recipe-578375.py