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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 save_loop(filename, framerate=30, time=3.0, axis=np.array([0.,0.,1.]), clf=True, **kwargs):
 """Off-screen save a GIF of one rotation about the scene. Parameters filename : str The filename in which to save the output image (should have extension .gif) framerate : int The frame rate at which to animate motion. time : float The number of seconds for one rotation. axis : (3,) float or None If present, the animation will rotate about the given axis in world coordinates. Otherwise, the animation will rotate in azimuth. clf : bool If true, the Visualizer is cleared after rendering the figure. kwargs : dict Other keyword arguments for the SceneViewer instance. """

        n_frames = framerate * time
        az = 2.0 * np.pi / n_frames
        Visualizer3D.save(filename, n_frames=n_frames, axis=axis, clf=clf,
                          animate_rate=framerate, animate_az=az)
        if clf:
            Visualizer3D.clf()