Design


 






import turtle


t = turtle.Turtle()

s = turtle.Screen()


s.bgcolor("black")

t.width(2)

t.speed(15)


col = ("red", "blue", "green")


for i in range(300):

    t.pencolor(col[i%3])

    t.forward(i*4)

    t.right(121)

t.done()    

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