text: #!/usr/bin/python
  ## DEMONSTRATES USE OF 2 CANVASES, SO CANNOT BE RUN IN DEMOVIEWER!
  """turtle example: Using TurtleScreen and RawTurtle
  for drawing on two distinct canvases.
  """
  from turtle import TurtleScreen, RawTurtle, TK
  
  root = TK.Tk()
  cv1 = TK.Canvas(root, width=300, height=200, bg="#ddffff")
  cv2 = TK.Canvas(root, width=300, height=200, bg="#ffeeee")
  cv1.pack()
  cv2.pack()
  
  s1 = TurtleScreen(cv1)
  s1.bgcolor(0.85, 0.85, 1)
  s2 = TurtleScreen(cv2)
  s2.bgcolor(1, 0.85, 0.85)
  
  p = RawTurtle(s1)
  q = RawTurtle(s2)
  
  p.color("red", (1, 0.85, 0.85))
  p.width(3)
  q.color("blue", (0.85, 0.85, 1))
  q.width(3)
  
  for t in p,q:
      t.shape("turtle")
      t.lt(36)
  
  q.lt(180)
  
  for t in p, q:
      t.begin_fill()
  for i in range(5):
      for t in p, q:
          t.fd(50)
          t.lt(72)
  for t in p,q:
      t.end_fill()
      t.lt(54)
      t.pu()
      t.bk(50)
  
  ## Want to get some info?
  
  print(s1, s2)
  print(p, q)
  print(s1.turtles())
  print(s2.turtles())
  
  TK.mainloop()
  