n><span class="o">.</span><span class="n">norm</span><span class="p" data-group-id="4107404011-3">(</span><span class="p" data-group-id="4107404011-4">{</span><span class="o">-</span><span class="mi">1</span><span class="p">,</span><span class="w"> </span><span class="mi">0</span><span class="p" data-group-id="4107404011-4">}</span><span class="p" data-group-id="4107404011-3">)</span><span class="w">
</span><span class="mi">1</span><span class="w">
</span><span class="gp unselectable">iex&gt; </span><span c