an class="p">[</span><span class="n">sec_digs_in_f2d</span> <span class="o">==</span> <span class="n">i</span><span class="p">]</span><span class="o">.</span><span class="n">sum</span><span class="p">()</span> <span class="k">for</span> <span class="n">i</span> <span class="ow">in</span> <span class="n">sec_digs</span><span class="p">])</span>
    <span class="k">return</span> <span class="n">exp</span><span class="p">,</span> <span class="n">array</span><span class="p">(</span><span class="n">sec_digs</spa