# These are instance variables I will define
# center  - center of the circle
# radius  - radius
class Circle:

    def __init__(self, center, radius):
        self.center = center
        self.radius = radius

    def draw(self, canvas):

        rad = self.radius
        x1 = self.center[0]-rad
        y1 = self.center[1]-rad
        x2 = self.center[0]+rad
        y2 = self.center[1]+rad
        canvas.create_oval(x1, y1, x2, y2, fill='green')


    def move(self, x, y):
        self.center = [x, y]

    def __repr__(self):
        return 'Circle center:%d radius:%d ' %(self.center, self.radius)