="p">)</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">d</span><span class="o">.</span><span class="n">getGroups</span><span class="p">()</span>
</pre></div>
</div>
<div class="highlight-default notranslate"><div class="highlight"><pre><span></span>`array([&#39;group-1&#39;], dtype=object)`
</pre></div>
</div>
<p>Our data file has only a single group label (group-1) which means the data file contains data from a single group.</p>
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<div class="section" id="plotting-degree-distribution">
<h2