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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.
Damn, I completely forgot about bitwise operators! Nice solution bro.
Could someone explain why it's a good practice to save the int in a constant? What's the difference compared to just writing n >= 10?
This is why coding is an art.