from kivy.app import App
from kivy.uix.widget import Widget
from kivy.graphics import Color, Rectangle
from kivy.core.window import Window

class Game(Widget):
    def __init__(self, **kwargs):
        super(Game, self).__init__(**kwargs)
        with self.canvas:
            Color(.5,.5,1.0)
            Rectangle(pos=(0,0), size=self.size)

class GameApp(App):
    def build(self):
        return Game(size=Window.size)

if __name__ == "__main__":
    GameApp().run

#Getting Staterted