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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.
Don't understand why 7540 and 1590 are boring?
First number passed decrementing criteria, second - incrementing.
MMMAAANNN, thx, great hint!!
")" gives me false, but test is failed anyway.
Hi all, my solution passed all of the tests except #9. Can someone help, plz tell what input string that test have?