def _ist_blatt_links():
Blatt_links = False
kara.turnLeft()
kara.move()
if kara.onLeaf():
Blatt_links = True
else:
Blatt_links = False
kara.turnLeft()
kara.turnLeft()
kara.move()
kara.turnLeft()
while _ist_blatt_links():
kara.move()