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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 segment(self):
 """ A line segment which if inflated by cylinder radius would represent the cylinder primitive. Returns segment : (2, 3) float Points representing a single line segment """

        # half the height
        half = self.primitive.height / 2.0
        # apply the transform to the Z- aligned segment
        points = np.dot(
            self.primitive.transform,
            np.transpose([[0, 0, -half, 1], [0, 0, half, 1]])).T[:, :3]
        return points