n><span class="p">,</span> <span class="n">v1</span><span class="p">,</span> <span class="n">v2</span><span class="p">,</span> <span class="n">edgeLabel</span><span class="p">):</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">v1</span> <span class="o">=</span> <span class="n">v1</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">v2</span> <span class="o">=</span> <span class="n">v2</span>
        <span class="bp">self</span><span class="o">.