an><span class="n">items</span><span class="p">():</span>
                    <span class="n">label_map</span><span class="p">[</span><span class="n">v</span><span class="p">]</span> <span class="o">=</span> <span class="n">label_map</span><span class="o">.</span><span class="n">get</span><span class="p">(</span><span class="n">v</span><span class="p">,</span> <span class="p">[])</span> <span class="o">+</span> <span class="p">[</span><span class="n">k</span><span class="p">]</span>

                <span c