 &quot;&quot;&quot;</span>
        <span class="n">sent</span> <span class="o">=</span> <span class="n">sent</span><span class="o">.</span><span class="n">strip</span><span class="p">()</span>
        <span class="n">sent</span> <span class="o">=</span> <span class="n">re</span><span class="o">.</span><span class="n">sub</span><span class="p">(</span><span class="s2">&quot;\s&quot;</span><span class="p">,</span> <span class="s2">&quot; &quot;</span><span class="p">,</span> <span class="n">sent</span><span c