from moviepy.video.io.VideoFileClip import VideoFileClip

def extract_clips(video_file, clip_duration, clip_start_times):
    clip_list = []
    with VideoFileClip(video_file) as video:
        for start_time in clip_start_times:
            clip = video.subclip(start_time, start_time + clip_duration)
            clip_list.append(clip)
    return clip_list

video_file = "path/to/your/video.mp4"
clip_duration = 5  # duration of each clip in seconds
clip_start_times = [0, 10, 20]  # start times of each clip in seconds

clips = extract_clips(video_file, clip_duration, clip_start_times)

# save the clips to disk
for i, clip in enumerate(clips):
    clip.write_videofile("clip_{}.mp4".format(i))

要做到这一点，你可以看这个非常有用的youtube视频：https://www.youtube.com/watch?v=Q2d1tYvTjRw
它教你如何使用moviepy，你应该可以在视频的帮助下做到这一点希望它有帮助！！！