<span class="sd">    |     seperate: bool, Set to True to return E_xc, E_x, E_c.</span>

<span class="sd">    | Returns:</span>
<span class="sd">    |     E_xc: np.ndarray, Exchange correlation energy, or evolution of exchange correlation energy.</span>
<span class="sd">    &quot;&quot;&quot;</span>
    <span class="n">p</span> <span class="o">=</span> <span class="n">HEG</span><span class="o">.</span><span class="n">ex_lda</span><span class="p">[</span><span class="s2">&quot;spin_polerised&quot;</span><spa