t">python3 ok -q cadr-caddr -u --local
python3 ok -q cadr-caddr --local</code></pre>


        <button id='toggle-1' class='btn btn-outline btn-lg alwaystoggle toggle'>
          提示视频<noscript> (enable JavaScript)</noscript>
        </button>
        <div class="solution toggle-1">

          <iframe width="560" height="315"
            src="//player.bilibili.com/player.html?isOutside=true&aid=427281261&bvid=BV1s3411G7yM&cid=765985423&p=64&autoplay=0"
            scrolling="no" border="0" frameborde