list of lists?? please help

[David Goodger]

on 2000-09-26 22:23, Tom Kerrigan (Thomas.Kerrigan at Colorado.EDU) wrote:
> I have two lists, state and node. I want node to be a list of states. State
> is a list itself. The problem is that when I try to add state to node, e.g.,
> 
> node.append(state)
> 
> it only adds a pointer to state. This defeats my goal, because I just end up
> with a list containing the same thing over and over.

So you want to add a *copy* of state to node? Do:

    node.append(state[:])

You'll get the same thing over and over, as before, but each state is
independently modifiable now.

-- 
David Goodger    dgoodger at bigfoot.com    Open-source projects:
 - The Go Tools Project: http://gotools.sourceforge.net
 (more to come!)