s="o">.</span><span class="n">_time</span><span class="o">.</span><span class="n">time</span><span class="p">()</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">_creatingItemSets</span><span class="p">()</span>
        <span class="n">itemsList</span> <span class="o">=</span> <span class="nb">sorted</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="nb">set</span><span class="o">.</span><span class="n">union</span><span class="p">