span> <span class="n">i_min</span>
                <span class="n">prop_grid</span><span class="p">[</span><span class="s2">&quot;max&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">i_max</span>
                <span class="n">prop_grid</span><span class="p">[</span><span class="s2">&quot;n&quot;</span><span class="p">]</span> <span class="o">=</span> <span class="n">i_max</span> <span class="o">-</span> <span class="n">i_min</span> <span class="o">+</span> <span class="mi">1</