iv class='section' id='section-7'>
        <div class='docs'>
            <div class='section-link'>
                <a href='#section-7'>#</a>
            </div>
            <p>将数据加载到内存</p>

        </div>
        <div class='code'>
            <div class="highlight"><pre><span class="lineno">54</span>        <span class="bp">self</span><span class="o">.</span><span class="n">data</span> <span class="o">=</span> <span class="p">[</span><span class="n">d</span> <span class="k">for</span> <sp