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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.
made my day
😂just because
Just don't use arrow fn... or you will got wrong result!
Help us help you. Tell us what language you're having this problem with. Also, probably, post your code, properly marked up and marked as a spoiler.
emmm…… ： RangeError: Maximum call stack size exceeded，when use some large number