need help on generator...

Joh joh12005 at
Fri Jan 21 08:58:03 EST 2005


i'm trying to understand how i could build following consecutive sets
from a root one using generator :

l = [1,2,3,4]

would like to produce :

[1,2], [2,3], [3,4], [1,2,3], [2,3,4] 

but unfortunately can not, i guess i can do it by using sub generator
and maybe enumerate, please if you help could you explain a bit the
trick ? looks like this sub generator thing mess me up.

(i think it should may be also have [1,], [2,], [3,], [1,2,3,4] , and
then be filtered)


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