/span>
            <span class="c1"># nodes[1] is in K</span>
            <span class="n">K</span><span class="p">,</span> <span class="n">L</span> <span class="o">=</span> <span
            class="n">K</span><span class="o">.</span><span class="n">split</span><span class="p">(</span><span
            class="n">nodes</span><span class="p">[</span><span class="mi">1</span><span class="p">])</span>
            <span class="c1"># print(&quot; K :\n&quot;, K)</span>
            <span class="c1"># print(&quot; L