&gt;</span> <span class="nb">int</span><span class="p">:</span>
<span class="w">        </span><span class="sd">&quot;&quot;&quot;</span>
<span class="sd">        get the minimum utility</span>
<span class="sd">        :return: minimum utility</span>
<span class="sd">        :rtype: int</span>
<span class="sd">        &quot;&quot;&quot;</span>
        <span class="k">return</span> <span class="nb">min</span><span class="p">(</span><span class="nb">list</span><span class="p">(</span><span class="bp">self</sp