phase = np.array([[-1.0, 1.0, -1.0], [-1.0, 1.0, 1.0], [1.0, 1.0, 1.0], [
    1.0, -1.0, 1.0], [-1.0, -1.0, -1.0], [1.0, 1.0, -1.0], [1.0, -1.0, -1.0
    ], [-1.0, -1.0, 1.0]])
savetxt два столбца в python, numpy