'The focus of the parabola.
Returns
focus : Point
See Also
sympy.geometry.point.Point
Examples
>>> from sympy import Parabola, Point, Line
>>> f1 = Point(0, 0)
>>> p1 = Parabola(f1, Line(Point(5, 8), Point(7, 8)))
>>> p1.focus
Point2D(0, 0)'

@property
def focus(self):

    return self.args[0]
