Design

 

import turtle

turtle.bgcolor("black")

turtle.speed(0)

turtle.hideturtle()

Colors = ["yellow", "red","yellow", "red"]

for i in range(120):

    for c in Colors: 

      turtle.color(c)

    turtle.circle(200-i, 100)

    turtle.lt(90)

    turtle.circle(200-i, 100)

    turtle.rt(60)

    turtle.end_fill()

turtle.mainloop() 

turtle.done()