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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 not leave out the .lower() and simply copy the code replacing the letters with upper case?
Returning an empty list makes much more sense than returning a list containing the word "None". That is just bad design.
What shoud be the answer for [-1, -1, -1, -2, 1, 2, 2]?
It sums to 0 and each element has a corresponding negative element, but not the same amount/
Unless there is no-one else in the class and the class_points is an empty list...
This comment is hidden because it contains spoiler information about the solution
For game_state = [4,4], the only winning move is not to play?