Good question. Note that you can now use os.dup(), os.open(),
os.close() etc. to manipulate file descriptors, so in principle it is
possible, but I agree that fd's 0, 1, 2 should inherit from
(I'm afraid this addition never made the NEWS file... Check the
ChangeLog file however; it's also in the library manual!)
Next release, hopefully!
--Guido van Rossum, CWI, Amsterdam <Guido.van.Rossum@cwi.nl>