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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.
I honestly don't know...
I didn't read the rules and when i submitted my solution it was accepted, so i thought that must be ok. Why did the creator of the kata not reject solution with a '*'-character in it?
This is a puzzles and challenges website, the very definition of "restricted by artificial rules". Would you sit down at a monopoly board and then insist that "If this were real life, I would just keep moving until I found a hotel that I considered affordable"?
Personally I did it because it's the most effective way (that I know of) and that is what programming should aim for.
And not be restricted by artificial rules.