[Tutor] Calculating and returning possible combinations of elements from a given set
airscorp at otenet.gr
Wed Jul 28 00:31:39 CEST 2010
On 07/28/2010 01:20 AM, ZUXOXUS wrote:
> Hi all pythoners
> I've got a probably easy to answer question.
> Say I've got a collections of strings, e.g.: 'man', 'bat', 'super',
> They are in a list, or in a sequence or whatever, say a bag of words
> And now I want to know how many couples I can do with them, and I want
> the program to show me the actual couples: 'manman', 'manbat',
> 'mansuper', 'manultra', 'batbat', 'batman', 'batsuper', etc.
> But hey, why building up new words from just two strings? I also want
> to know the possible combinations of three words, four words, and
> perhaps, why not, five words.
> So, is it easy to do?
> Sorry, I'm new in programing, and am probably far from being a math-master
> I'm clueless, I think probably the code have some FOR I IN SEQUENCE...
> but then what? I don't know how to say: take every element and paste
> it to another one from the bag, and with another one, and with another
> If it's too complex, I dont need the whole code recipe, just need some
> clues, or perhaps a useful link
> Thank you very much in advance!
Take a look in the itertools module
Check the section "*Combinatoric generators:" (website doesn't have an
anchor link for that, search around a bit)
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