pan class="bp">self</span><span class="p">,</span> <span class="n">sent</span><span class="p">:</span> <span class="nb">str</span><span class="p">):</span>
        <span class="sd">&quot;&quot;&quot;</span>
<span class="sd">        Cleanse input sentence</span>

<span class="sd">        Args:</span>
<span class="sd">            sent (str): input sentence to be cleansed</span>

<span class="sd">        Returns:</span>
<span class="sd">            str: cleansed output sentence</span>

<span class="sd">       