span class="w">    </span><span class="sd">&quot;&quot;&quot;Sample value for parameters without ac default value&quot;&quot;&quot;</span>
</span><span id="sample_param-18"><a href="#sample_param-18"><span class="linenos">18</span></a>
</span><span id="sample_param-19"><a href="#sample_param-19"><span class="linenos">19</span></a>    <span class="k">if</span> <span class="n">param</span><span class="o">.</span><span class="n">name</span> <span class="o">==</span> <span class="s2">&quot;expr&quot;</span><spa