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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.
Why would be "toLocaleLowerCase" a good use, when the 26 is hardcoded? Other alphabets have different set and also different count of characters. This is still applicable only to english alphabet, so no need to be correct partially with the others.
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))
Thank You!)
Use spoiler flag next time please.