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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.
It would have been useful to know exactly how the author intended for us to calculate the "mixing" of two colors. In this case they wanted a weighted average of both sets of RGB values, the volumes being the weights. Furthermore they wanted us to round the resulting numbers UP (which is somewhat counterintuitive).
Oh, and the RGB values are tuples, not lists....
This one contains tag "dictionary" but I don't see it using dictionaries...
bit of an overkill for this example don't you think?