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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 contains_set(self, other):
 """Return ``True`` if ``other`` is a subset of the real numbers. Returns ------- contained : bool ``True`` if other is an instance of `RealNumbers` or `Integers` False otherwise. Examples -------- True """

        if other is self:
            return True

        return (isinstance(other, RealNumbers) or
                isinstance(other, Integers))