an>
            <span class="k">if</span> <span class="s2">&quot;price&quot;</span> <span class="ow">in</span> <span class="n">col</span><span class="p">:</span>
                <span class="n">df_full</span><span class="p">[</span><span class="n">col</span><span class="o">.</span><span class="n">replace</span><span class="p">(</span><span class="s1">&#39;price&#39;</span><span class="p">,</span> <span class="nb">str</span><span class="p">(</span><span class="n">lag</span><span class="p">)</span> <span clas