list of lists
Peter Otten
__peter__ at web.de
Mon Sep 15 10:58:46 EDT 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
Your example rather than your problem specification suggests that you want
them all. If I'm guessing right:
def flatten(lol):
for lst in lol:
for item in lst:
yield item
T=[[1, 2, 3], [4, 5], [6]]
for item in flatten(T):
print item
Indices seem to be a dying breed :-)
Peter
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