apple)&gt;&gt;       - passes u'apple'
 2. &lt;&lt;Example(OrAnGe)&gt;&gt;      - error, tells user which choices are valid
 3. &lt;&lt;Example()&gt;&gt;            - passes u'apple'</pre><span class="anchor" id="line-262"></span><span class="anchor" id="line-263"></span><p class="line867">
<h4 id="required_arguments">required arguments</h4>
<span class="anchor" id="line-264"></span><span class="anchor" id="line-265"></span><p class="line862">If you require some arguments, you can tell the generic code by u