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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.
No, there can be zeros too. But there is no negative numbers.
That can be related to this issue that you can't see because it contains code and is marked as having spoiler content.
Your answer has 5 decimals, not 4. Not a kata issue.
No, the title should be changed completely
but what for the numbers? tgey aren't lower or upper case..
This comment is hidden because it contains spoiler information about the solution
The edge case is
0 + 0
Yes. Read the last part of the description again. You take 20 and 37 and drop the next 20 as in the previous example.