/span> <span class="mi">1</span><span class="p">,</span> <span class="mi">0</span><span class="p">]</span>

    <span class="n">cluster_sizes</span> <span class="o">=</span> <span class="p">[]</span>
    <span class="n">clusters</span> <span class="o">=</span> <span class="p">[]</span>
    <span class="n">visited</span> <span class="o">=</span> <span class="p">[</span><span class="kc">False</span> <span class="k">for</span> <span class="n">item</span> <span class="ow">in</span> <span class="nb">range</span>