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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 has_duplicates(self):
 """ Returns ``True`` if the dict contains keys with duplicates. Recurses through any all keys with value that is ``VDFDict``. """

        for n in getattr(self.__kcount, _iter_values)():
            if n != 1:
                return True

        def dict_recurse(obj):
            for v in getattr(obj, _iter_values)():
                if isinstance(v, VDFDict) and v.has_duplicates():
                    return True
                elif isinstance(v, dict):
                    return dict_recurse(v)
            return False

        return dict_recurse(self)