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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 parts(self):
 """ Get the parts directly below this element. """


        for item in self.__parts_and_divisions:
            if item.tag == 'part':
                yield item
            else:
                # Divisions shouldn't be beneath a part, but here's a fallback
                # for if this does happen
                for part in item.parts:
                    yield part