Loading collection data...
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.
True, I probably didn't know about this method then
You could to use find instead forEach to get selected item
All test case passed except one 3 should equal 4
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