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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 parameters_changed(self):
 """ Notice that we update the warping function gradients here. """

        self.Y_normalized[:] = self.transform_data()
        super(WarpedGP, self).parameters_changed()
        Kiy = self.posterior.woodbury_vector.flatten()
        self.warping_function.update_grads(self.Y_untransformed, Kiy)