在pythonα+β剪枝 [英] alpha beta pruning in python

问题描述

在α，β剪枝算法，  我在其中定义的函数高清的getAction（个体经营，游戏状态）ID一类。我在DEF的getAction

In alpha, beta pruning algorithm, I have a class in which a function def getAction(self,gamestate) id defined. I made 2 more function in def getAction

像：

class BAC:
  def you(self,gamestate):
    def me(gamestate,depth,alpha, beta):
    ------
      return v
    def both(gamestate,depth,alpha, beta):
    -------------------
      return v
   return me(gamestate,0,alpha, beta)-

我需要把α，β函数我和两个。但是，在我定义的α和β值。如果我定义的α和β的高清我和高清两种则会发生错误，因为全局名称字母不是present。

I need to put alpha, beta in functions me and both. But where do I define alpha and beta values. If I define alpha and beta in def me and def both then error occurs as there global name alpha is not present.

如何使α和β的局部变量或者我怎样才能使人们有可能正常工作？

How do I make alpha and beta local variables or How can I make it possible to work correctly?

推荐答案

我猜你whant做定义的α和β为你的类属性。

I guess that you whant to do define alpha and beta as your classes' attribute.

您可能需要一个类的构造函数初始化你的变量。

You may need a class constructor that initializes your variables.

class BAC:
    def __init__(self):
        self.alpha= 'Hello '
        self.beta= 'World!'
    def me(self):
        print self.alpha + self.beta

或者，您可以初始化属性变量，如：

Or you can initialize your attributes variables like:

class BAC:
    def me(self,alpha,beta):
        self.alpha = alpha
        self.beta= beta
        print self.alpha + self.beta

所有你需要的是指阶级的属性，如果你想持久性。

All you need is to refer to the classes' attribute if you want persistence.

如果你选择第一个解决方案：

If you choose the first solution:

my_bac = Bac()
print my_bac.alpha + my_bac.beta

的输出将是

Hello World!
Hello World!

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