Indexing list of lists
John J. Lee
jjl at pobox.com
Tue Sep 16 15:04:25 EDT 2003
hildegarde_roth at yahoo.de (Hilde Roth) writes:
> This may have been asked before but I can't find it. If I have
> a rectangular list of lists, say, l = [[1,10],[2,20],[3,30]], is
> there a handy syntax for retrieving the ith item of every sublist?
> I know about [i[0] for i in l] but I was hoping for something more
> like l[;0].
If you need that kind of thing a lot, look at Numeric (or its
replacement, numarray), or perhaps the standard library's array
module.
John
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