pan class="n">i_out</span> <span class="o">=</span> <span class="n">func</span><span class="p">(</span><span class="o">*</span><span class="n">i_arg</span><span class="p">)</span>
                <span class="n">i_out</span> <span class="o">=</span> <span class="bp">self</span><span class="o">.</span><span class="n">format_array</span><span class="p">(</span><span class="n">i_out</span><span class="p">)</span>

                <span class="c1"># If the shape varies, just add result into a list</span>
      