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 "0" in next or "1" 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()

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