Продвинутый Python

class Vector:
    __slots__ = ('x', 'y')

    def __init__(self, x: float, y: float):
        self.x = x
        self.y = y

    def __abs__(self) -> float:
        return (self.x**2 + self.y**2) ** 0.5

    def __repr__(self) -> str:
        return f'Vector({self.x}, {self.y})'