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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.
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If you mean (1, 0.2, 1): the while cycle has "greater" not "greater or equal" sign, so the body of cycle is skipped and seen stays on -1
Question: how does this solution factor in when the ball is equal to the hight of the window?
that would make it +1.
i can see that it does but I can't wrap my head around it here