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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 path_distance(points):
 """ Compute the path distance from given set of points """

    vecs = np.diff(points, axis=0)[:, :3]
    d2 = [np.dot(p, p) for p in vecs]
    return np.sum(np.sqrt(d2))