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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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In Python, it seems I had the same problem as some others as well: In the random tests, my result was sometimes off by 0.01. This happened a few times, every time on only one of the tests. I was able to pass by attempting a bunch of times though...
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I also found this comment by the author below. However, I don't understand how these 2 examples are considered the same. It surely can't be because the result is the same ...
This checks the automated test, but not a human.