s='no'>us_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'>count</span> <span class='kw'>=</span> <span class='no'>count</span>)</div><div class='img'><img src='age_pyramid-1.png' alt='' width='700' height='433' /></div><div class='input'><span class='fu'>age_pyramid</span>(<span class='no'>us_2008</span>, <span class='kw'>age_group</span> <span cla