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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.
wow your solution is better than mine
practice more
very nice solution! I want to be able to do the same
the best way to do it
clever solution!
thats so clever
Becuase there is no 'length' propertie for Sets
This comment is hidden because it contains spoiler information about the solution
the smartest, well done