span> <span class="o">=-</span><span class="bp">self</span><span class="o">.</span><span class="n">value</span><span class="p">)</span>



  <span class="k">def</span> <span class="nf">__pow__</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">n</span><span class="p">):</span>
    <span class="sd">&quot;&quot;&quot;</span>
<span class="sd">    Repeated multiplication of object with itself.</span>
<span class="sd">    &quot;&quot;&quot;</span>
    <span class="k