ut.group(chirality).integer(CarbonTypeN).current&#39;</span><span class="p">]</span> <span class="o">=</span> <span class="mi">12</span>
<span class="n">io</span><span class="p">[</span><span class="s1">&#39;input.group(chirality).integer(CarbonTypeN).current&#39;</span><span class="p">]</span><span class="o">.</span><span class="n">value</span>
<span class="p">[</span><span class="n">out</span><span class="p">]</span> <span class="mi">12</span>
</pre></div>
</div>
<p>A common error was forgetting the “cu