 <span class="kc">None</span>
            <span class="k">for</span> <span class="n">idx</span><span class="p">,</span> <span class="nb">input</span> <span class="ow">in</span> <span class="nb">enumerate</span><span class="p">(</span><span class="n">args</span><span class="p">):</span>
                <span class="k">if</span> <span class="n">idx</span> <span class="o">%</span> <span class="mi">2</span> <span class="o">==</span> <span class="mi">0</span><span class="p">:</span>
                    <span cla