[EMAIL PROTECTED] writes:
> for: s = "this . is a . test to . check if it . works . well . it looks
> . like ."
> the output should be (if grouping by 3) like:
>
> => this .
> => this . is a .
I don't understand, you mean you have all the items in advance?
Can't you do something like this? I got bleary trying to figure out
the question, so I'm sorry if I didn't grok it correctly.
def f(n, items):
t = len(items)
for i in xrange(-(n-1), t-n):
print items[max(i,0):max(i+n,0)]
s = 'this . is a . test to . check if it . works . well . it looks . like .'
f(3, s.split('.'))
>>> ## working on region in file /usr/tmp/python-306302aD...
['this ']
['this ', ' is a ']
['this ', ' is a ', ' test to ']
[' is a ', ' test to ', ' check if it ']
[' test to ', ' check if it ', ' works ']
[' check if it ', ' works ', ' well ']
[' works ', ' well ', ' it looks ']
[' well ', ' it looks ', ' like ']
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