refering to base classes

[Chaz Ginger]

Chaz Ginger wrote:
> glenn wrote:
>> hi - Im quite new to python, wondering if anyone can help me understand
>> something about inheritance here. In this trivial example, how could I
>> modify the voice method of 'dog' to  call the base class 'creatures'
>> voice method from with in it?
>>
>> class creature:
>>     def __init__(self):
>>         self.noise=""
>>     def voice(self):
>>         return "voice:" + self.noise
>>
>> class dog(creature):
>>     def __init__(self):
>>         self.noise="bark"
>>
>>     def voice(self):
>>             print "brace your self:"
>>
>> thanks
>> glenn
>>
> Try this:
> 
> class dog(creature):
>     .....
>     def voice(self):
>         print "brace your self:"
>         creature.voice(self)
> 
> This should do it.
I did forget to mention that in 'dog"s' __init__ you had better call 
creature's __init__. You might make it look like this:

def __init__(self):
	self.noise = 'bark'
	creature.__init__(self)

There is another approach - using Superclass - but I will leave that 
exercise to the reader.