an class="gp">&gt;&gt;&gt; </span><span class="n">d</span><span class="p">[</span><span class="s1">&#39;t2&#39;</span><span class="p">,</span><span class="mi">5</span><span class="p">]</span> <span class="c1"># select index 5 (6th element)</span>
<span class="gp">&gt;&gt;&gt; </span><span class="n">d</span><span class="p">[</span><span class="s1">&#39;t2&#39;</span><span class="p">,</span><span class="mi">5</span><span class="p">::</span><span class="o">-</span><span class="mi">2</span><span class="p">]</sp