ass="normal">264</span>
<span class="normal">265</span>
<span class="normal">266</span>
<span class="normal">267</span>
<span class="normal">268</span>
<span class="normal">269</span>
<span class="normal">270</span>
<span class="normal">271</span></pre></div></td><td class="code"><div><pre><span></span><code><span class="k">def</span> <span class="nf">json_extract</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">field</span><span class="p">):</span>

    <sp