an><span class="p">):</span>
      <span class="sd">&quot;&quot;&quot;Iterate until number of iterations completed&quot;&quot;&quot;</span>
      <span class="k">return</span> <span class="n">tf</span><span class="o">.</span><span class="n">less</span><span class="p">(</span><span class="n">i</span><span class="p">,</span> <span class="bp">self</span><span class="o">.</span><span class="n">nb_iter</span><span class="p">)</span>

    <span class="k">def</span> <span class="nf">body</span><span class="p">(</s