pan class="s1">&#39;command line! (start=</span><span class="si">{}</span><span class="s1">; end=</span><span class="si">{}</span><span class="s1">)&#39;</span><span class="o">.</span><span class="n">format</span><span class="p">(</span><span class="n">start</span><span class="p">,</span> <span class="n">end</span><span class="p">))</span>

    <span class="k">return</span> <span class="n">start</span><span class="p">,</span> <span class="n">end</span></div>

<div class="viewcode-block" id="check_maxstep"><