="o">.</span><span class="n">f</span><span class="o">.</span><span class="n">values</span><span class="p">())</span>

        <span class="k">except</span><span class="p">:</span>
            <span class="k">return</span>
        
        
        <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="nb">range</span><span class="p">(</span><span class="n">n_low</span><span class="p">,</span><span class="n">n_high</span><span class="o">+</span><span class="mi">1</span><s