Design

 

# draw rainbow benzene

import turtle

colors = ["red", "purple", "green", "orange","blue", "yellow"]

t = turtle.Pen()

turtle.bgcolor("black")

t.speed(40)

for x in range(360):

    t.pencolor(colors[x%4])

    t.width(x//5)

    t.forward(x)

    t.left(59)    

turtle.done()