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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.
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I think modifying a parameter (n) within a function is bad practice as others working on the same code may rely on the original value elsewhere.
please explain...I don't understand the concept behind :( thanks
Expressions in parenthesies will assert to booleans as-is. No need for the ternary here :)