字符串等长切分 视频字幕换行
['23dfsfsdfsf3534tefsdfdds56t34gdsgd'[i*10:i*10+10] for i in range(math.ceil(len('23dfsfsdfsf3534tefsdfdds56t34gdsgd')/10))]
['23dfsfsdfsf3534tefsdfdds56t34gdsgd'[i*10:i*10+10] for i in range(math.ceil(len('23dfsfsdfsf3534tefsdfdds56t34gdsgd')/10))]