">universe_dict</span><span class="p">:</span>
        <span class="n">df</span> <span class="o">=</span> <span class="n">universe_dict</span><span class="p">[</span><span class="n">df_name</span><span class="p">]</span>
        <span class="n">df</span><span class="o">.</span><span class="n">sort_index</span><span class="p">(</span><span class="n">inplace</span><span class="o">=</span><span class="kc">True</span><span class="p">)</span>
        <span class="n">df</span> <span class="o">=</span> <span class