smart

agree to disagree. As I see your point of view valid I also think of it like this: Ok, I know how to permuate a list with itertools, but it's crucial for me to know what exaclty permutation is and how the alghoritm look like

I totally agree. There is also another kata which suffers from this: Matrix Determinant (4 kyu).

Nice! Why code if you have libs?

@Nikalinov: Are you saying that you know what's behind any function or method provided in any languages you could be using?

That's what documentation is for.

Should I upvote this solution? Upvote or downvote this comment to vote.

I will abide by the results of this poll.

2ez

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Congratulations you've exersized nothing

The BEST

That's illegal!