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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.
Why are you multiplying by the inverse of the tax?
Collections have a filter method that takes in a lambda expression whose first argument is the current element being iterated over.
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