pan> <span class="n">neighbors</span>
            <span class="bp">self</span><span class="o">.</span><span class="n">edgeCount</span> <span class="o">+=</span> <span class="nb">len</span><span class="p">(</span><span class="n">neighbors</span><span class="p">)</span>

        <span class="bp">self</span><span class="o">.</span><span class="n">edgeCount</span> <span class="o">//=</span> <span class="mi">2</span>    </div>

    
<div class="viewcode-block" id="Graph.precalculateVertexList">
<a class="viewcod