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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.
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closing
200
because you time out on the next section of tests, which doesn't print anything before the timeout? (edit: looks like there are only 2 groups, so dunno)
Typically when you are printing some large lists or arrays / when you have an inefficient algorithm or infinite loop, the timeout will occur.
Please use appropriate formatting when posting code. See https://docs.codewars.com/training/troubleshooting/#post-discourse.
Your solution is too slow. Not a kata issue.
To see the input, just print it. There is no need to guess what it was and it'll be easier to debug your code.
Meanwhile message: expected:<1234567908> but was:<1234567980>
Expected is
1234567908
, and1234567980
is what your solution returned.