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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.
Mine was much longer and less semantically clear. I like this one!
I need to improve my RegEx skills...
I totally misread this problem. I thought they were asking for when the father's age would be twice as much as the son's age AT THE PRESENT TIME, ugh.
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I get it now!
I like this, but I think the two line solution is more readable.
Wish I knew about this one :)
I like this one. Mine was a bit longer heh.
I learned a ton from looking at this one. Thanks! Filtering out empty strings, because they evaluate as false, was very clever.
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MUCH better than mine. Learned from looking at this one for sure.
Sorry, I am new.
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