list of lists

Paul Osman posman at eval.ca
Mon Sep 15 16:16:17 CEST 2003


On Mon, 15 Sep 2003, Tom wrote:

> Hi,
>
> I have a list that consists of lists.
> E.g. T=[[1, 2, 3], [4, 5], [6]]
> Is there a way to address the a specific component in the "inner" list
> directly?
> E.g. right now I want to get the second value of the first list.
> Unfortunately I have to save it to a variable first and then read it.
> a = T[0]
> print a[1]
>
> That kind of sucks, becaus I have to read a lot of values from a lot of
> lists! :-(
> Is there a faster way than my saving it to a "help variable" first?
>
> Thanks folks!!
>
> Regards, Tom
>
>

Hi Tom,

Do you mean this?

>>> T=[[1, 2, 3], [4, 5], [6]]
>>> T[0][1]
2
>>> print T[0][1]
2
>>> print T[1][1]
5

HTH,

-- 
Paul Osman
paul at eval.ca
http://perl.eval.ca

"Idealists...foolish enough to throw caution
  to the winds...have advanced mankind and have
  enriched the world."
         - Emma Goldman





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