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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.
thank you for your code, for opportunity to learn on your example
расплакался :)) я сначала тоже не мог понять что именно хотят от меня , решал через map , вроде все работало но не проходило, но это топчик хДД