def cthulhu_room():
print "Here you see the great evil Cthulhu."
print "He, it, wahtever stares at you and you go insane."
print "Do you flee for your life or eat your head?"

next = raw_input("> ")
if "flee" in next:
  start()
elif "head" in next:
  dead("Well that was tasty!"
else:
  cthulhu_room()

上面一段代码调试的时候显示倒数第二行（else：）语法错误，想问问是什么原因。