roups</span><span class="p">(</span><span class="n">gb</span><span class="o">.</span><span class="n">labelling</span><span class="o">.</span><span class="n">top_split</span><span class="p">(</span><span class="n">human_df</span><span class="p">,</span> <span class="s1">&#39;total_wagered&#39;</span><span class="p">),</span> <span class="s1">&#39;top_total_wagered&#39;</span><span class="p">)</span>
<span class="nb">print</span><span class="p">(</span><span class="nb">len</span><span class="p">(</span><span 