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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.
Yes, you're right, then i rewrite my solution. Thanks for help
But in some moments, in an absolutly random time it may be
s='cb'
This comment is hidden because it contains spoiler information about the solution
Hello everyone, I have a problem, i don't know why, but with true solution, each time, when i try to answer, randow number of tests be wrong.
Like 25 true answer, 21 wrong OR 40 true, 6 wrong.
And symbols in string replaced in random place, first and last places removed, but in some tests, like "khgjhbkjgjhb" answer is "hghhbkjgjj" but true answer is "hgjhbkjgjh".
What's a problem?