[python] method(*param)

from kivy.app import App
from kivy.uix.widget import Widget
from kivy.graphics import Color, Ellipse , Line
from random import random


class MyPaintWidget(Widget):
    def on_touch_down(self,touch):
        color = (random(),random(),random())
        with self.canvas:
            Color(*color)

            self.pck(color)
            print '-'*20
            self.pck(*color)


            d = 30
            Ellipse(pos=(touch.x - d /2 , touch.y - d/2) , size = (d,d))
            touch.ud['line'] = Line(points=(touch.x , touch.y))
            print touch.ud

    def pck(self, a =255,b = 255,c = 255):
        print "a = " + str(a)
        print "b = " + str(b)
        print "c = " + str(c)

    def on_touch_move(self,touch):
        with self.canvas:
            touch.ud['line'].points += [touch.x, touch.y]
            print touch.ud['line'].points




class MyPaintApp(App):
    def build(self):
        return MyPaintWidget()


if __name__ == '__main__':
    MyPaintApp().run()