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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.
I made this mistake myself. The description is very clear:
"Coordinates can only contain digits, or one of the following symbols (including space after comma) -, . "
So, don't blame the tests, even if the idea behind your critic is reasonable. In practice it would be usefull to be more failure-tolerant and deliver corrected coordinates, but this wasn't the task.
Hidden test won't work :)
This comment is hidden because it contains spoiler information about the solution
This comment is hidden because it contains spoiler information about the solution