us_ins_2018</span>)
<span class='fu'>age_pyramid</span>(<span class='no'>us_ins_2018</span>,
  <span class='kw'>age_group</span> <span class='kw'>=</span> <span class='no'>age</span>,
  <span class='kw'>split_by</span> <span class='kw'>=</span> <span class='no'>gender</span>,
  <span class='kw'>stack_by</span> <span class='kw'>=</span> <span class='no'>insured</span>,
  <span class='kw'>count</span> <span class='kw'>=</span> <span class='no'>count</span>
)</div><div class='img'><img src='age_pyramid-3.png' 