Pythonic gui format?

[DH]

bruno at modulix wrote:
> DH wrote:
>> Bruno Desthuilliers wrote:
>>
>>>> I am currently seeking for pythonic alternative for XML. 
>>>
>>> A pretty obvious one is dicts and lists. What about (Q&D):
>>
>> That's like JSON: http://www.json.org/example.html
> 
> No, it's pure Python. It happens that JSON looks pretty close to Python,
> but that's another point.

Python dict and lists ARE JSON.  The only difference that python can't
handle is multiline comments.