Well... sorting a shuffled deck of cards can be done in O(1) time. def sort(self): pass def __getitem__(i): suit = int(i / 13)

Well... sorting a shuffled deck of cards can be done in O(1) time. def sort(self): pass def __getitem__(i): suit = int(i / 13) rank = i % 13 return f"{rank} of {('diamonds', 'hearts', 'spades', 'clubs')[suit]}"