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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.
Hi,
typo in the descirption:
the task isn't properly described ("return true if...")
the way the verification has to be done isn't properly described either (that's actually
close toit IS "not understandable"...) => what's the full number used as example in the description? what's "first digit"? what's "second digit"? ...?Cheers