title: histtype='stepfilled' option using bar function
body: <p>I want to create this kind of histogram:
  <a href="https://i.stack.imgur.com/CuLqI.jpg" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/CuLqI.jpg" alt="enter image description here"></a></p>
  
  <p>Using bar function, I know I can do it with hist using histtype='stepfilled', but how can I do it with the bar function?</p>