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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 delaunay_2d(self, tol=1e-05, alpha=0.0, offset=1.0, bound=False, inplace=False):
 """Apply a delaunay 2D filter along the best fitting plane"""

        alg = vtk.vtkDelaunay2D()
        alg.SetProjectionPlaneMode(vtk.VTK_BEST_FITTING_PLANE)
        alg.SetInputDataObject(self)
        alg.SetTolerance(tol)
        alg.SetAlpha(alpha)
        alg.SetOffset(offset)
        alg.SetBoundingTriangulation(bound)
        alg.Update()

        mesh = _get_output(alg)
        if inplace:
            self.overwrite(mesh)
        else:
            return mesh