class="mdzsyn-coresym">*</span> <span class="mdzsyn-symbol">base</span> <span class="mdzsyn-symbol">height</span> <span class="mdzsyn-number">0.5</span>))</code></pre><p>A function defined with <code class="mendoza-code">defn</code> consists of a name, a number of optional
flags for <code class="mendoza-code">def</code>, and finally a function body. The example above is named
triangle-area and takes two parameters named base and height. The body of the
function will print a message and then evaluate to the 