Author should edit the description to make clear that you can try to guess with zero lives but the error is expected to be raised no matter if the guess right or not.

In Python: Exception is raised by "raise 'Error'"
Note that you should throw it when guessing with zero lives, not as soon as the lives is ran out. I.e. you can try to guess with zero lives but the error is expected to be raised no matter if the guess right or not.