pan><span class="p">)</span> <span class="o">&amp;</span> <span class="p">(</span><span class="n">jabri</span> <span class="ow">is</span> <span class="ow">not</span> <span class="kc">None</span><span class="p">):</span>
        <span class="n">jabti</span> <span class="o">=</span> <span class="p">(</span><span class="n">jabti</span> <span class="o">-</span> <span class="n">jabri</span><span class="p">)</span>
        <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class=