title: Is there any matplotlib function to create a growth arrow between two points in a chart?
body: <p>I was wondering if its possible to plot in a bar chart or in a line chart an arrow between two points of the charts. Something like the following picture:</p>
  <p><a href="https://i.stack.imgur.com/j2lKW.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/j2lKW.png" alt="enter image description here" /></a></p>
  <p>I've been looking for something like this but haven't found anything similar neither here on stackoverflow nor on any other website.</p>
  <p>Thanks a lot for your help!</p>