ns</span><span class="p">,</span> <span class="n">dbn</span><span class="p">)</span>
    <span class="n">data</span> <span class="o">=</span> <span class="n">pd</span><span class="o">.</span><span class="n">concat</span><span class="p">(</span><span class="n">data</span><span class="p">)</span>
    <span class="n">data</span><span class="p">[</span><span class="s2">&quot;dbn&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">dbn</span>
    <span class="n">data</span><span class="p