Method __sub__

Python/Turtle.py:160–161

(self, other)

            return Vec2D(self[0]*other, self[1]*other)
        return NotImplemented
    def __sub__(self, other):
        return Vec2D(self[0]-other[0], self[1]-other[1])
    def __neg__(self):
        return Vec2D(-self[0], -self[1])
    def __abs__(self):