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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.
Same problem in C#. Description asks for the answers starting with small letters but accepts only the solutionwith capital ones.
Changed, now all past solutions in Swift are marked as invalid.
The Swift solution needs updating. Booleans in Swift are not capitalized. The test cases should look like this:
XCTAssertEqual(booleanToString(true), "true")
XCTAssertEqual(booleanToString(false), "false")
Otherwise, the scope of the problem changes.