sort(): Giving third argument?

[Piet van Oostrum]

>>>>> Thomas Guettler <zopestoller at thomas-guettler.de> (TG) wrote:

TG> Hi!
TG> If I have a list of IDs and a hash which maps
TG> each ID to a name:

TG> ids=[1, 2, 3, 4]

TG> names={
TG>   1: "foo",
TG>   2: "bar",
TG>   ...}

TG> I can't do the following:

TG> def mycmp(a, b):
TG> 	return cmp(names[a], names[b])

TG> ids.sort(mycmp)

TG> since "name" is unkown in mycmp.

It isn't unknown. It is just a global variable and your code works with me.
-- 
Piet van Oostrum <piet at cs.uu.nl>
URL: http://www.cs.uu.nl/~piet [PGP]
Private email: P.van.Oostrum at hccnet.nl