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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.
tyvm for that translation! Ruby ftw <3
Good luck! :)
Yes, it is supposed to pass if your solution is right.
I suggest printing your result more carefully, using some kind of hexlify (I don't know, how it's done in Ruby) or using
<pre>tag to make sure there's no extra spaces etc. in the result.