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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 draw_image(self, video_name, image_name, out, start, end, x, y, verbose=False):
 """ Draws an image over the video @param video_name : name of video input file @param image_name: name of image input file @param out : name of video output file @param start : when to start overlay @param end : when to end overlay @param x : x pos of image @param y : y pos of image """

        cfilter = (r"[0] [1] overlay=x={x}: y={y}:"
                   "enable='between(t, {start}, {end}')")\
            .format(x=x, y=y, start=start, end=end)

        call(['ffmpeg', '-i', video_name, '-i', image_name, '-c:v', 'huffyuv',
              '-y', '-preset', 'veryslow', '-filter_complex', cfilter, out])