Learn Python the hard way, ex35 分支和函数

 #!/usr/bin/python
 #coding:utf-8
 from sys import exit

 def gold_room():
     print "this room is full of gold. how much do you take?"

     next = raw_input(">>")
     if "" in next or "" in  next:
         how_much = int(next)
     else:
         dead("man, learn to type a number")

     if how_much < 50:
         print "nice,you're not greedy,you win"
         exit(0)
     else:
         dead("you greedy bastard")

 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

     while True:
         next = raw_input(">>")

         if next == "take honey":
             dead("the bear looks at you then slaps your face off")
         elif next == "taunt bear" and not bear_moved:
             print "the bear has moved from the door.you can go through it now"
             bear_moved = True
         elif next == "taunt bear" and bear_moved:
             dead("the bear gets pissed off and chews your legs off")
         elif next == "open door" and bear_moved:
             gold_room()
         else:
             print "I got no idea what that means"

 def cloth_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?"

     next = raw_input(">>")

     if "flee" in next:
         start()
     elif "head" in next:
         dead("well that was tasty")
     else:
         cloth_room()

 def dead(why):
     print why,"good job"
     exit(0)

 def start():
     print "you are in a dark room"
     print "there is a door to your left and right"
     print "which one do you take?"

     next = raw_input(">>")

     if next == "left":
         bear_room()
     elif next == "right":
         cloth_room()
     else:
         dead("you stumble around the room until you starve")

 start()

相关函数：

Python List append()方法