ass="nb">len</span><span class="p">(</span><span class="n">cands</span><span class="p">)):</span>
                <span class="n">intersection</span> <span class="o">=</span> <span class="n">items</span><span class="p">[</span><span class="n">cands</span><span class="p">[</span><span class="n">i</span><span class="p">]]</span><span class="o">.</span><span class="n">intersection</span><span class="p">(</span><span class="n">items</span><span class="p">[</span><span class="n">cands</span><span class="p">[</sp