laces where nested indexing is used,
i.e.,
where the program contains expressions like <code>arr[table[i]]</code>.</p>
<h3 class="exercise">Dynamic lookup</h3>
<ol>
<li>
<p>Write a function <code>dynamicExecution</code> that takes an object,
    the name of a method,
    and zero or more parameters as arguments
    and calls that method on that object:</p>
<div class="highlight"><pre><span></span><code><span class="nx">dynamicExecution</span><span class="p">(</span><span class="nx">obj</span><span class="p"