# #important things# #

import turtle
t = turtle
t.bgcolor("black")
t.color("red")
t.fillcolor("blue")
t.shape("turtle")

# #drawing part one# #

u = 0
while u < 4:
    t.begin_fill()
    t.circle(500)
    t.end_fill()
    t.begin_fill()
    t.circle(250)
    t.end_fill()
    t.begin_fill()
    t.circle(125)
    t.end_fill()
    u = u + 1
    t.rt(90)

# #drawing part two



# #end# #

t.hideturtle()
t.done()