69cace4b9a6e79a84e58685e5aeb9"><i class="fa fa-check"></i>本书的内容</a></li>
<li class="chapter" data-level="" data-path="preparation.html"><a href="preparation.html#python"><i class="fa fa-check"></i>为什么要使用Python进行数据分析</a></li>
<li class="chapter" data-level="" data-path="preparation.html"><a href="preparation.html#python"><i class="fa fa-check"></i>重要的Python库</a></li>
<li class="chapter" data-level="" data-path="preparation.html"><a href="preparation.html#e5ae89e8a385