(self)
return (self.x ** 2 + self.y ** 2) ** 0.5
Returns the length of the vector pointing from the origin to this
        point.
Returns the length of the vector pointing from the origin to this
        point.
Returns the length of the vector pointing from the origin to this point .
def length(self):
        """Returns the length of the vector pointing from the origin to this
        point."""
        return (self.x ** 2 + self.y ** 2) ** 0.5
def length ( self ) : return ( self . x ** 2 + self . y ** 2 ) ** 0.5