"""turtledemo.two_canvases

Use TurtleScreen and RawTurtle to draw on two
distinct canvases in a separate windows. The
new window must be separately closed in
addition to pressing the STOP button.
"""

from turtle import TurtleScreen, RawTurtle, TK

def main():
 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)

 return "EVENTLOOP"


if __name__ == '__main__':
 main()
 TK.mainloop() # keep window open until user closes it