Loading collection data...
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.
Fixed
i dont think this is an issue, because the semantics are different: (named) tuples are immutable, while class instances are mutable
Don't know what happened:-( Description modified. Thanks!
Already get it after completing the kata. This is pretty unobvious for those who don't work with typing.
This moment is the most unpleasant in the task (if you control every case by yourself).
Perhaps it is worth describe it further.