_in">[docs]</a>  <span class="k">def</span> <span class="nf">eq_in</span><span class="p">(</span><span class="bp">self</span><span class="p">,</span> <span class="n">collection</span><span class="p">):</span>
    <span class="sd">&quot;&quot;&quot; Determines whether Coord (self) is equivalent to any of the constituent Coord objects of the argument Gr or GrAx, and returns equivalent object.</span>

<span class="sd">    Uses: eq_index</span>

<span class="sd">    Args:</span>
<span class="sd">      collectio