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Collections are a way for you to organize kata so that you can create your own training routines. Every collection you create is public and automatically sharable with other warriors. After you have added a few kata to a collection you and others can train on the kata contained within the collection.
Get started now by creating a new collection.
Very Clear
Really great and easy solution! I'm really disappointed that I can't say that this is and clever and pest practice one time!
Indeed... :P
Wow, that's a lot of code compared to the XOR solutions. :-)
Given the codewars unstrictness in test cases and solution complexity, this simplicity is completely appropriate. ;-) Adding several lines to take care of edge cases is pretty obvious, but not as elegant.