[Tutor] PNG pixels

[Anton Sherwood]

I want to take two .png images from the commandline, convert them to
lists of pixels (lists of lists of tuples if necessary), do stuff with
them, make a new list of pixels and save it as a .png file.  Is there
library support to make this easy?

-- 
          --  Anton Sherwood  --  http://www.ogre.nu/  --
"If nobody said anything unless he knew what he was talking about, 
a ghastly hush would descend upon the earth."  ---Sir Alan Herbert