Combinatorial of elements in Python?

[Mikael Olofsson]

Sebastian Bassi wrote:
> I have 2 (or more) groups of elements, and I want to get all possible
> unique combinations from all of them. Is there a build-in method to do
> it?
>
> ADictionary={"one":["A","B","C","D"],"two":["H","I"]}
>
> I want to have all possible combinations from "one" and "two", that is:
> [snip]

Not at all complicated. My solution:

 >>> A={'one':['A','B','C','D'],'two':['H','I']}
 >>> [x+y for x in A['one'] for y in A['two']]
['AH', 'AI', 'BH', 'BI', 'CH', 'CI', 'DH', 'DI']

HTH
/MiO

-- 
/Mikael Olofsson
Universitetslektor (Senior Lecturer [BrE], Associate Professor [AmE])
Linköpings universitet

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