<code class="docutils literal notranslate"><span class="pre">80</span></code>:</p>
<div class="highlight-python notranslate"><div class="highlight"><pre><span></span><span class="n">listener</span> <span class="o">=</span> <span class="n">ngrok</span><span class="o">.</span><span class="n">forward</span><span class="p">()</span>
</pre></div>
</div>
<p>You can pass the port number to forward on <code class="docutils literal notranslate"><span class="pre">localhost</span></code>:</p>
<div class="highlight-pyt