 class="k">def</span> <span class="nf">transfer_property</span><span class="p">(</span><span class="n">n</span><span class="p">,</span> <span class="n">f</span><span class="p">):</span>
   <span class="n">fout</span> <span class="o">=</span> <span class="n">f</span><span class="p">[</span><span class="mi">1</span><span class="p">]</span><span class="o">.</span><span class="n">copy</span><span class="p">()</span>
   <span class="n">fout</span><span class="o">.</span><span class="n">props</span><span class="p