Implementação dos métodos mágicos para matemática em Python.

point.py

class Point:
    """
    >>> p1 = Point(8, 6)
    >>> p2 = Point(2, 3)
    >>> p1 + p2
    Point(10, 9)
    >>> p1 - p2
    Point(6, 3)
    >>> p1 / p2
    Point(4.0, 2.0)
    >>> p1 * p2
    Point(16, 18)
    """

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

    def __repr__(self):
        return f'Point({self.x!r}, {self.y!r})'

    def __add__(self, o):
        x = self.x + o.x
        y = self.y + o.y
        return Point(x, y)

    def __sub__(self, o):
        x = self.x - o.x
        y = self.y - o.y
        return Point(x, y)

    def __truediv__(self, o):
        x = self.x / o.x
        y = self.y / o.y
        return Point(x, y)

    def __mul__(self, o):
        x = self.x * o.x
        y = self.y * o.y
        return Point(x, y)