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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.
thanks
I have passed all test
example tests
Completed in 8ms
tests with negative values
Completed in 7ms
FIB ONE MILLION
Test Passed
Completed in 927ms
But there is still a tip 'Execution Timed Out (12000 ms)'