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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 intersectWithLine(self, p0, p1):
 """Return the list of points intersecting the actor along the segment defined by two points `p0` and `p1`. :Example: .. code-block:: python from vtkplotter import * s = Spring(alpha=0.2) pts = s.intersectWithLine([0,0,0], [1,0.1,0]) ln = Line([0,0,0], [1,0.1,0], c='blue') ps = Points(pts, r=10, c='r') show(s, ln, ps, bg='white') |intline| """

        if not self.line_locator:
            line_locator = vtk.vtkOBBTree()
            line_locator.SetDataSet(self.polydata(True))
            line_locator.BuildLocator()
            self.line_locator = line_locator

        intersectPoints = vtk.vtkPoints()
        intersection = [0, 0, 0]
        self.line_locator.IntersectWithLine(p0, p1, intersectPoints, None)
        pts = []
        for i in range(intersectPoints.GetNumberOfPoints()):
            intersectPoints.GetPoint(i, intersection)
            pts.append(list(intersection))
        return pts