Do we really need const?

[Walter Bright]

Jan Claeys wrote:
> Op Mon, 17 Sep 2007 15:36:35 +0900
> schreef Bill Baxter <dnewsgroup at billbaxter.com>:
> 
>> I've certainly gotten used to the lack of const in Python
> 
> Python has immutable objects (e.g. strings & tuples).   :)

A lot of Python users also seem to be quite unhappy about the gil. 
Python in its current form appears to be unsuitable for writing parallel 
code.