n>
    <span class="s2">&quot;Simple example to demonstrate singe modal tuple of list return&quot;</span>
    <span class="k">if</span> <span class="n">mode</span> <span class="o">==</span> <span class="n">m3tl</span><span class="o">.</span><span class="n">TRAIN</span><span class="p">:</span>
        <span class="n">toy_input</span> <span class="o">=</span> <span class="p">[</span><span class="s1">&#39;this is a toy input&#39;</span> <span class="k">for</span> <span class="n">_</span> <span class="ow">in</s