="fa fa-check"></i><b>12.3.18</b> containsElementNamed(name)</a></li>
<li class="chapter" data-level="12.3.19" data-path="140_dataframe.html"><a href="140_dataframe.html#inheritsstr"><i class="fa fa-check"></i><b>12.3.19</b> inherits(str)</a></li>
</ul></li>
</ul></li>
<li class="chapter" data-level="13" data-path="150_list.html"><a href="150_list.html"><i class="fa fa-check"></i><b>13</b> List</a>
<ul>
<li class="chapter" data-level="13.1" data-path="150_list.html"><a href="150_list.html#creating-list-obje