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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.
there is no need in ternary operator
.flat()is still experimentalAnd I get an error on
.matchwith your code because it is a String method, not an Array one.This comment is hidden because it contains spoiler information about the solution