s="k">lambda</span><span class="p">:</span> <span class="n">controller</span><span class="o">.</span><span class="n">show_frame</span><span class="p">(</span><span class="s2">&quot;ScanWindow&quot;</span><span class="p">)</span>
        <span class="p">)</span>
        <span class="n">button</span><span class="o">.</span><span class="n">pack</span><span class="p">(</span><span class="n">pady</span><span class="o">=</span><span class="mi">10</span><span class="p">)</span>
</pre></div>
</div>
</li>
<li><p><st