Difference between type and class

[Terry Reedy]

Thomas Troeger wrote:
> Steven D'Aprano wrote:
>>> class A:
>>>     def bar(self):
>>>         print "A"
>>
>>
>> Alas, you've chosen the worst-possible example to "clarify" matters, 
>> because old-style classic classes are *not* unified with types, and 
>> will disappear in the future:
> 
> Of course I wanted to write `class A(object)', but I keep forgetting 
> this one because I'm still used to the old ways...
> 
> Will this disappear in Python 3.0., i.e. can you again simply write
> class A:
> and inherit from object automagically?

Yes.
IDLE 3.0b2
 >>> class a: pass

 >>> a
<class '__main__.a'>
 >>> a.__bases__
(<class 'object'>,)

3.0 is really a nicer version.  Once the final release is out, the main 
reason to stick with 2.x for new code will be if it depends on 
third-party code (including your own ;-) that has not been upgraded.