[pygame] Dirty Rect Animation

["John Cabral" <john.cabral@xxxxxxxxx>]

Hello, all;
I was working on some code for my game and read about the optimization
of feeding a list of rects to the update function.  I was curious if
it would be worthwhile to try to optimize the list that is fed to the
function.  Specifically, I would try to shorten the list by merging
rects that had significant areas of overlap.  However, I can't tell if
the function itself might perform this work itself.   Does anyone
know?

Thank you,
JC