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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.
...wow. I guess that works! That's a really interesting way to do it :D
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Probably truth is in the middle.
Knowing how to implement something without built-in functions is important from one hand, but from other hand is crucial for professional programming to know language library for fast-usage of such "ready-made" functions.
Cool solution!
I don't think so. It teaches you how not to invent the wheel by utilizing existing functions.
Such ready-made functions do not teach anything
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