[quietbritishjim]

I literally didn't change the code, so there was no annotation at all, and it still passed.

[crunchbang-excl]

I thought that one was an example where you don't have to do anything.

I just went back to check and I saw that you are supposed to make some changes, which are shown in the solution, even though they are unnecessary to pass the tests.

[laike9m]

The "any" challenge is special, it's the only one where you don't need to make any changes :)