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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 combine_pyramid_and_save(g_video, orig_video, enlarge_multiple, fps, save_filename='media/output.avi'):
 """Combine a gaussian video representation with the original and save to file"""

    width, height = get_frame_dimensions(orig_video[0])
    fourcc = cv2.VideoWriter_fourcc(*'MJPG')
    print("Outputting to %s" % save_filename)
    writer = cv2.VideoWriter(save_filename, fourcc, fps, (width, height), 1)
    for x in range(0, g_video.shape[0]):
        img = np.ndarray(shape=g_video[x].shape, dtype='float')
        img[:] = g_video[x]
        for i in range(enlarge_multiple):
            img = cv2.pyrUp(img)

        img[:height, :width] = img[:height, :width] + orig_video[x]
        res = cv2.convertScaleAbs(img[:height, :width])
        writer.write(res)