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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.
But there is also a need for answers like this to help people who don't know that such modules exist
a = { 2, 3, 4, 5 };b = { 25, 0, 9, 16 };
doesn't work
nice