ively</span>

<span class="sd">        :return:</span>
<span class="sd">        &quot;&quot;&quot;</span>
        <span class="k">return</span> <span class="n">EulerTourTree</span><span class="p">(</span><span
            class="n">root</span><span class="o">=</span><span class="n">copy</span><span class="o">.</span><span
            class="n">copy</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span
            class="n">root</span><span class="p">),</span> <span class="n