Python, for all its power and popularity, has long lacked a form of flow control found in other languages—a way to take a value and match it elegantly against one of a number of possible conditions.

def set_time(self, hour=0, minute=0, second=0, millisecond=0): if not (0 <= hour < 24): raise ValueError(f'Hour ({hour}) must be 0-23') self.hour = hour if not (0 ...