subscribing to a queue</p>             </td>             <td class="code">               <div class="highlight"><pre>    <span class="nv">queue3 = </span><span class="nx">amqp</span><span class="p">.</span><span class="nx">queues</span><span class="p">.</span><span class="nx">queue3</span>
    
    <span class="nx">queue3</span><span class="p">.</span><span class="nx">subscribe</span><span class="p">(</span><span class="nx">ack</span><span class="o">:</span><span class="kc">true</span><span class="p">,</spa