span> <span class="nf">loop</span><span class="p">(</span><span class="n">iterator_</span><span class="p">:</span> <span class="n">Collection</span><span class="p">,</span> <span class="o">*</span><span class="p">,</span>
         <span class="n">is_track</span><span class="p">:</span> <span class="nb">bool</span> <span class="o">=</span> <span class="kc">True</span><span class="p">,</span>
         <span class="n">is_print_iteration_time</span><span class="p">:</span> <span class="nb">bool</span> <span cla