e><span></span><code><span class="gp">&gt;&gt;&gt; </span><span class="n">f</span> <span class="o">=</span> <span class="n">qc</span><span class="o">.</span><span class="n">read_csv</span><span class="p">(</span><span class="s2">&quot;lineitem.csv&quot;</span><span class="p">)</span>
</code></pre></div>
    <p>Drop the l_orderdate and l_orderkey columns</p>
    <div class="highlight"><pre><span></span><code><span class="gp">&gt;&gt;&gt; </span><span class="n">f</span> <span class="o">=</span> <span class="n