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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 quasi_newton_uniform_blocks(points, cells, *args, **kwargs):
 """Lloyd's algorithm can be though of a diagonal-only Hessian; this method incorporates the diagonal blocks, too. """


    def get_new_points(mesh):
        # TODO need copy?
        x = mesh.node_coords.copy()
        x += update(mesh)
        # update ghosts
        x[ghosted_mesh.is_ghost_point] = ghosted_mesh.reflect_ghost(
            x[ghosted_mesh.mirrors]
        )
        return x

    ghosted_mesh = GhostedMesh(points, cells)

    runner(
        get_new_points,
        ghosted_mesh,
        *args,
        **kwargs,
        update_topology=lambda mesh: ghosted_mesh.update_topology(),
        # get_stats_mesh=lambda mesh: ghosted_mesh.get_unghosted_mesh(),
    )

    mesh = ghosted_mesh.get_unghosted_mesh()
    return mesh.node_coords, mesh.cells["nodes"]