from accepted import (AcceptedEasy, AcceptedMedium, AcceptedHard) from refused import (RefusedEasy, RefusedMedium, RefusedHard) class LeetCodeRefused(RefusedEasy, RefusedMedium, RefusedHard): ... class LeetCodeAccepted(AcceptedEasy, AcceptedMedium, AcceptedHard): ...