definition"></a></dt>
<dd><p>Bases: <code class="xref py py-class docutils literal notranslate"><span class="pre">object</span></code></p>
<dl class="field-list simple">
<dt class="field-odd">Attribute<span class="colon">:</span></dt>
<dd class="field-odd"><dl class="simple">
<dt>root<span class="classifier">Node</span></dt><dd><p>The first node of the tree set to Null</p>
</dd>
<dt>nodeLink<span class="classifier">dict</span></dt><dd><p>Store nodes that have the same item</p>
</dd>
</dl>
</dd>
<dt class