def draw_points(self, points):
        r, g, b = self.colors[(NUM) % self.n_colors]
        self.ctx.set_source_rgba(255, 0, 0, ALPHA)
        for node in points:
            self.ctx.arc(node[0], node[1], 2*ONE,  -math.pi*2, 0)
            # self.ctx.rectangle(node[0], node[1], ONE, ONE)
            self.ctx.fill()
Draw a list of points
dataset/ETHPy150Open dnlcrl/PyGraphArt/src/render.py/Render.draw_points