ment projected DOS&#39;</span><span class="p">)</span>
    <span class="n">parser</span><span class="o">.</span><span class="n">add_argument</span><span class="p">(</span><span class="s1">&#39;-o&#39;</span><span class="p">,</span> <span class="s1">&#39;--orbital&#39;</span><span class="p">,</span> <span class="n">dest</span><span class="o">=</span><span class="s2">&quot;orbital&quot;</span><span class="p">,</span> <span class="n">action</span><span class="o">=</span><span class="s1">&#39;store_const&#39;</