pan> <span class="n">x</span> <span class="ow">in</span> <span class="n">temp</span> <span class="k">if</span> <span class="n">x</span><span class="p">]</span>
                            <span class="n">tr</span> <span class="o">=</span> <span class="p">[]</span>
                            <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="n">temp</span><span class="p">:</span>
                                <span class="n">i1</span> <span class="o">=</span> <span