 <span class="nb">range</span><span class="p">(</span><span class="mi">0</span><span class="p">,</span> <span class="mi">9</span><span class="p">)]</span>
        <span class="n">row</span> <span class="o">=</span> <span class="p">{</span>
            <span class="s1">&#39;step&#39;</span><span class="p">:</span> <span class="n">step</span><span class="p">,</span>
            <span class="s1">&#39;histogram&#39;</span><span class="p">:</span> <span class="n">histogram</span><span class="p">,</span>
        