t</span> <span class="ow">in</span> <span class="n">L</span><span class="p">:</span>
                <span class="n">new_vert</span> <span class="o">=</span> <span class="s1">&#39;-&#39;</span><span class="o">.</span><span class="n">join</span><span class="p">(</span><span class="n">cc_list</span><span class="p">)</span>
                <span class="n">vert_list</span><span class="o">.</span><span class="n">append</span><span class="p">(</span><span class="n">new_vert</span><span class="p">)</span>
        