an> <span class="k">as</span> <span class="nn">D_IBM</span>

<span class="n">tb</span> <span class="o">=</span> <span class="n">D</span><span class="o">.</span><span class="n">sphere</span><span class="p">((</span><span class="mf">0.</span><span class="p">,</span><span class="mf">0.</span><span class="p">,</span><span class="mf">0.</span><span class="p">),</span> <span class="mf">1.</span><span class="p">,</span> <span class="n">N</span><span class="o">=</span><span class="mi">100</span><span class="p">)</s