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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 predefined(self, y0, xout, params=(), **kwargs):
 """ Integrate with user chosen output. Parameters integrator : str See :meth:`integrate`. y0 : array_like See :meth:`integrate`. xout : array_like params : array_like See :meth:`integrate`. \*\*kwargs: See :meth:`integrate` Returns ------- Length 2 tuple : (yout, info) See :meth:`integrate`. """

        xout, yout, info = self.integrate(xout, y0, params=params,
                                          force_predefined=True, **kwargs)
        return yout, info