General question about Python design goals

[Christoph Zwerschke]

>>For instance, I just wanted to use the index() method on a tuple which 
>>does not work. ...

Aahz wrote:

> Because Guido believes that tuples should be primarily used as
> lightweight replacements for C structs.  Therefore they have minimal
> functionality.

But the problem is that the tutorials and manuals give the impression 
that the difference between lists and tuples is only mutablity versus 
immutability. They don't talk about such considerations and honestly 
speaking even now I know that it does seem more plausible for me.

-- Christoph