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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.
This doesn't affect the variable outside the function. Primitive values are passed by copy.
Good but this overwrites the original principal. Better save it initially to a temp variable.
i think this is unnecessarily complicated.
lol . kudos to this solution.
too complicated and expensive in perf terms.
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