選擇自己的 Pyventure/CYOA 的不正確程式碼示例

在看以下程式碼時，請嘗試回答這些問題

• 這段程式碼有什麼問題？
• 有哪些方法可以修復它？
• 它做對了什麼，以及如何將所有這些內容整合在一起的大局是什麼？
• 如果你複製程式碼並將其另存為 .py 檔案並從命令列執行它，會發生什麼？為什麼？

'''Draft version of CYOA.
This version contains some intentional errors and bad coding. Fix!'''


book={
'foyer' : {'text' : "You are in the spooky foyer! To the left is a creepy bathroom and straight ahead is a terrifying kitchen.", 
	'choices' : [('Go left into the bathroom','bathroom1'),('Head straight to the kitchen','kitchen'),], },
'bathroom1' : {'text':"The bathroom contains a scary looking toilet that keeps running no matter how many times you jiggle the handle. Think of all that wasted water! Al Gore's worse nightmare!" , 
	'choices' : [], },
'kitchen' : {'text':'The kitchen is dirty but on the rickety looking table is a delicious chocolate cake, a knife, and a plate with a fork.', 
	'choices' : [('Eat the cake','deathbychocolate'),("Don't eat the cake",'benice'),],},
'deathbychocolate':{'text':'You take a bite of the piece of cake you carefully cut. It is magnificent! You finish the first piece but still feel compelled to another... and another.. until the whole cake is gone. Unfortunately, you experience death by chocolate.',
	'choices':[]},
"benice":{'text':"Nice of you to not eat someone else's cake. You're so nice in fact that you take to tidying up the kitchen. Unfortunately, while washing the floor you slip and bang your head on the corner of the counter. You die from loss of blood. Never pays to be nice, eh?",
	'choices':[]},
}

import random
def grue_eats(position):
	if position=='bathroom':
		return random.random() > 0.80
	else:
		return False

def move(choices):
    ''' choices should be a list'''
    c=[]
    for x in choices:
        print(x[0])
        c.append(x[0])
    print("")
    text = "What next? "
    ans= raw_input(text)
    ans.lower().strip()
    while ans not in c:
        print("That answer,", ans, ", isn't in the choices")
        ans=raw_input(text)
        ans.lower().strip()
    for x in choices:
    	if ans in x:
    		return x[1]

def play_game():
    position = 'foyer'  
    print book[position]['text']
    while book[position].get('choices',None):	
    	position = move(book[position]['choices'])
    	print("\n", book[position]['text'], "\n")
    if position=='bathroom':
        if grue_eats(position):
            print("You've been eaten by a Grue. Spot of bad luck eh chap!")
		else:
		    print("You hear the rustling of a Grue! You run for your life, never to return!")
	print("You have reached the end of our adventures. Goodbye!")