al">581</span>
<span class="normal">582</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="k">def</span> <span class="nf">drop</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">cols_to_drop</span><span class="p">:</span> <span class="nb">list</span><span class="p">):</span>

    <span class="sd">&quot;&quot;&quot;</span>
<span class="sd">    Think of this as the anti-opereator to select. Instead of selecting columns, this will d