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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.
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I'm stuck on the same problem. The test expectation wants to give a change total of
30, but your result is giving back40in change.Your issue might be that the state of the
coinsobject goes wrong at some point, but that really depends on how it's implemented...A coin is considered invalid if the denomination (the key in the object) is not also a key in the
coinsobject when you first instantiate the object.Try to avoid the error