I wanted to do curved lines, but couldn't make it work.
import turtle
wn = turtle.Screen()
wn.bgcolor("darkblue")
alice = turtle.Turtle()
alice.color("lightyellow")
for size in range(5, 60, 2):
alice.forward(size)
alice.right(24)
alice.right(60)
alice.forward(80)
joe = turtle.Turtle()
joe.color("orange")
joe.shape("circle")
joe.penup()
for size in range(5, 60, 2):
joe.forward(size)
joe.stamp()
joe.right(24)
wn.exitonclick()
http://madeline13.github.io/spring2014/2014/01/16/madelineturtle.html