# -*- coding: utf-8 -*-
import random as rd
import turtle as tt
win = tt.Screen()
######
tt.setup(0.85, 0.85)
tt.shape("turtle")
tt.speed(0)
tt.pensize(3)

r = 0
for red in range(3):
    for green in range(3):
        for blue in range(3):
            r = r + 5
            tt.pencolor(red/3.0, green/3.0, blue/3.0)
            tt.circle(r, 180)


    
######
win.exitonclick()