pan>
<span class="sd">    &#39;&#39;&#39;</span>
    <span class="k">if</span> <span class="ow">not</span> <span class="nb">len</span><span class="p">(</span><span class="n">ftype</span><span class="p">)</span> <span class="o">==</span> <span class="nb">len</span><span class="p">(</span><span class="n">ftime</span><span class="p">)</span> <span class="o">==</span> <span class="nb">len</span><span class="p">(</span><span class="n">steps</span><span class="p">):</span>
        <span class="k">raise</span> <sp