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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 thougth as you but at the last moment i stoped haaaaaaaaaaaaaaaaaaaaaaaaaaaaaa
This comment is hidden because it contains spoiler information about the solution
i am tring to solve in my own way without using any fuction but i could not
:(