Uitwerking: Turtlegraphics
import turtle
def zon(nr):
for i in range(nr):
turtle.forward(50)
turtle.left(45)
turtle.forward(10)
turtle.left(90)
turtle.forward(10)
turtle.left(45)
turtle.forward(50)
turtle.right(180 - 360 // nr)
# main code
turtle.color('black', 'yellow')
turtle.speed(10000)
turtle.penup()
turtle.forward(-400)
turtle.pendown()
for i in range(1, 5):
turtle.begin_fill()
zon(3*i)
turtle.end_fill()
turtle.penup()
turtle.forward(170)
turtle.pendown()
turtle.done()