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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.
More effective solution than the top one.
I think this kata requires logical thinking, which is more than 8 kyu.
This comment is hidden because it contains spoiler information about the solution
It does. The use of list() is redundant.