li>
</ul></li>
<li class="chapter" data-level="5.7" data-path="lesson-5.html"><a href="lesson-5.html#矩阵与数组"><i class="fa fa-check"></i><b>5.7</b> 矩阵与数组</a></li>
<li class="chapter" data-level="5.8" data-path="lesson-5.html"><a href="lesson-5.html#列表"><i class="fa fa-check"></i><b>5.8</b> 列表</a></li>
<li class="chapter" data-level="5.9" data-path="lesson-5.html"><a href="lesson-5.html#函数"><i class="fa fa-check"></i><b>5.9</b> 函数</a>
<ul>
<li class="chapter" data-level="5.9