Retrieves a tuple with the x,y coordinates of the upper right point of the rect. 
        Requires the coordinates, width, height to be numbers

def getTopRight(self):
        """
        Retrieves a tuple with the x,y coordinates of the upper right point of the rect. 
        Requires the coordinates, width, height to be numbers
        """
        return (float(self.get_x()) + float(self.get_width()), float(self.get_y()) + float(self.get_height()))