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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 copy_course_videos(source_course_id, destination_course_id):
 """ Adds the destination_course_id to the videos taken from the source_course_id Args: source_course_id: The original course_id destination_course_id: The new course_id where the videos will be copied """

    if source_course_id == destination_course_id:
        return

    course_videos = CourseVideo.objects.select_related('video', 'video_image').filter(
        course_id=six.text_type(source_course_id)
    )

    for course_video in course_videos:
        destination_course_video, __ = CourseVideo.objects.get_or_create(
            video=course_video.video,
            course_id=destination_course_id
        )
        if hasattr(course_video, 'video_image'):
            VideoImage.create_or_update(
                course_video=destination_course_video,
                file_name=course_video.video_image.image.name
            )