 class="p">(</span><span class="bp">self</span><span class="p">,</span><span class="n">L</span><span class="p">):</span>
    <span class="sd">&quot;&quot;&quot;Find index of this Directional in list L of Directional objects, under &#39;same&#39; method.</span>

<span class="sd">    Uses: same method.</span>

<span class="sd">    Args:</span>
<span class="sd">      L: (list of directional objects) to search</span>

<span class="sd">    returns:</span>
<span class="sd">      None or Integer, the index of the 