[https://www.python.org/download/releases/2.3/mro/].</span></span></span>
<span class="r-in"><span><span class="va">a</span> <span class="op">&lt;-</span> <span class="va">A</span><span class="op">$</span><span class="fu">instantiate</span><span class="op">(</span><span class="op">)</span></span></span>
<span class="r-in"><span><span class="va">a</span><span class="op">$</span><span class="va">my_name</span> <span class="op">&lt;-</span> <span class="st">"a"</span></span></span>
<span class="r-in"><span><sp