ontext.</p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="k">with</span> <span class="n">LightsHelper</span><span class="p">(</span><span class="n">robot</span><span class="p">,</span> <span class="n">frequency</span><span class="p">,</span> <span class="n">brightness</span><span class="p">):</span>
    <span class="c1"># Lights will flash here</span>
<span class="c1"># Lights will stop flashing here</span>
</pre></div>
</div>
</section>
<section id="begin">