This is my first feedback. Awesome solution!

It's very ineffective :(

I knew the moment I completed my code, that someone would have a one-liner posted.
Idk how usable this one-liner is, but it works so G-freaking-G man. Hats off!

Every time i complete a high level kata, i always feel that this one for sure, there is no way a person can do it in just one line and every time i am left dumbfounded by what i see.
It was especially true for this problem but here we go again!!!

You know what, you just made me feel dumb as hell.

oh well,that's way easier than i did. Good job!

@Qin: This was submitted in Python2, where zip returned a list, not a zip object. It's now gone from CW, but it still stands.

What? The "<spoiler>" tag didn't work! @Chrono79!

Use spoiler flag, please.

Amazing really Amazing.Keep going

Thanks

@alexmitelman It will fail on enormous matrices and even then, it is easy to call sys.setrecursionlimit.

It says Given an n x n array.

And I have no idea what answer you expect for your array.

Nice solution, but doesn't work with array like this:
array = [[1, 2, 3],
[10, 11, 12, 4],
[9, 15, 14, 13, 5],
[8, 7, 6]]

Perhaps such ugly arrays weren't implied, but anyway they still can be "snailed" :-)