return: None</span>
<span class="sd">        &quot;&quot;&quot;</span>
        <span class="bp">self</span><span class="o">.</span><span class="n">_itemsCnt</span> <span class="o">+=</span> <span class="mi">1</span>
        <span class="n">res</span> <span class="o">=</span> <span class="s2">&quot;&quot;</span>
        <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span cla