class A(object):
    def __init__(self,a):
        self.a =a
    def __str__(self):
        return "this is " + self.a
    def equals(self,b):
        print one
        print two
        return  one.a == b.a
one = A("one")
two = A("two")
if one.equals(two):
    print "equals\n"

>>> 
this is one
this is two
>>> 
这里的one ,two为A的实例
为什么在定义的时候就能使用了呢？
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lizzz49,您好！

	仍然是在执行equals时才执行的呀，那里看出是定义时生效的，多加些print看看就知道了。

======= 2004-08-27 22:49:09 您在来信中写道：=======

>class A(object):
>    def __init__(self,a):
>        self.a =a
>    def __str__(self):
>        return "this is " + self.a
>    def equals(self,b):
>        print one
>        print two
>        return  one.a == b.a
>one = A("one")
>two = A("two")
>if one.equals(two):
>    print "equals\n"
>
>>>> 
>this is one
>this is two
>>>> 
>这里的one ,two为A的实例
>为什么在定义的时候就能使用了呢？_______________________________________________
>python-chinese list
>python-chinese at lists.python.cn
>http://python.cn/mailman/listinfo/python-chinese
>

= = = = = = = = = = = = = = = = = = = =
			

　　　　　　　　致
礼！
 
				 
　　　　　　　　limodou
　　　　　　　　chatme at 263.net
　　　　　　　　　　2004-08-27