sys.exit 用于结束程序

 from sys import exit

 # 进入黄金房间后的逻辑

 def gold_room():

     print("This room is full of gold. How much do you take?")

     choice = input("> ")

     # 如果输入不包含 0 或 1 则死

     if "" in choice or "" in choice:

         how_much = int(choice)

     else:

         dead("Man, learn to type a number.")

     # 如果输入的数字大于等于 50 则死

     if how_much < 50:

         print("Nice, you're not greedy, you win!")

         exit(0)

     else:

         dead("You greedy basterd!")

 # 实现熊房间的逻辑

 def bear_room():

     print("There is a bear here.")

     print("The bear has a bunch of honey.")

     print("The fat bear is in front of another door.")

     print("How are you going to move the bear?")

     bear_moved = False

     # 如果熊离开后直接开门就用不到 while 循环了.

     while True:

         # print(">>> bear_moved1 = ", bear_moved)

         choice = input("> ")

         if choice == "take honey":

             # print(">>> bear_moved2 = ", bear_moved)

             dead("The bear looks at you then slaps your face off.")

         elif choice == "taunt bear" and not bear_moved:

             # print(">>> bear_moved3 = ", bear_moved)

             print("The bear has moved from the door.")

             print("You can go through it now.")

             bear_moved = True

         elif choice == "taunt bear" and bear_moved:

             # print(">>> bear_moved4 = ", bear_moved)

             dead("The bear gets pissed off and chews your legs off.")

         elif choice == "open door" and bear_moved:

             # print(">>> bear_moved5 = ", bear_moved)

             gold_room()

         else:

             print("I go no idea what that means.")

 # 恶魔房逻辑

 def cthulhu_room():

     print("Here you see the great evil Cthulhu.")

     print("He, it, whatever stares at you and you go insane.")

     print("Do you flee for your life or eat your head?")

     choice = input("> ")

     # 二选一，否则恶魔放循环

     if "flee" in choice:

         start()

     elif "head" in choice:

         dead("Well that was tasty!")

     else:

         cthulhu_room()

 # 惨死函数

 def dead(why):

     print(why, "Good job!")

     exit(0)

 # 启动函数

 def start():

     print("You are in a dark room.")

     print("There is a door to your right and left.")

     print("Which one do you take?")

     choice = input("> ")

     if choice == "left":

         bear_room()

     elif choice == "right":

         cthulhu_room()

     else:

         dead("You stumble around the room until you starve.")

 # 开始游戏

 start()