Part 4 Oop Verified - Python 3 Deep Dive

class Vector: def (self, x, y): self.x = x self.y = y

class Shape(ABC): @abstractmethod def area(self): pass python 3 deep dive part 4 oop

def __post_init__(self): if self.age < 0: raise ValueError("Age negative") class Vector: def (self, x, y): self