">instrument</span> <span class="ow">in</span> <span class="n">metals_list</span><span class="p">:</span>
            <span class="n">df</span> <span class="o">=</span> <span class="n">pd</span><span class="o">.</span><span class="n">read_csv</span><span class="p">(</span><span class="n">path</span> <span class="o">+</span> <span class="n">instrument</span> <span class="o">+</span> <span class="s2">&quot;.csv&quot;</span><span class="p">,</span>
                             <span class="n">index_col</span><