pan class="p">[]</span>

                    <span class="c1"># print(&quot;Num of tasks:&quot;, sum(len(collections[i][2]) for i in range(len(collections))))</span>
                    <span class="n">results</span> <span class="o">=</span> <span class="n">parallel</span><span class="p">(</span><span class="n">delayed</span><span class="p">(</span><span class="bp">self</span><span class="o">.</span><span class="n">_project</span><span class="p">)(</span><span class="n">collections</span><span class="p">[</