class="n">exists</span><span class="p">(</span><span class="n">location</span><span class="p">):</span>
            <span class="n">os</span><span class="o">.</span><span class="n">makedirs</span><span class="p">(</span><span class="n">location</span><span class="p">)</span>

<span class="c1"># ----------------------------------------------</span>
<span class="c1"># ----------------------------------------------</span>
<span class="c1"># ---Simple operations on pers dgms-------------</span>
<span class="c1"