Why are tuples immutable?

[Roel Schroeven]

Antoon Pardon wrote:
> Op 2004-12-15, Fredrik Lundh schreef <fredrik at pythonware.com>:
>>sorry, but I don't understand your reply at all.  are you saying that dictionaries
>>could support mutable keys (e.g lists) by making a copy of the key?  how would
>>such a dictionary pick up changes to the original key object?  (I'm talking about
>>the key stored in the dictionary, not the key you're using to look things up).
> 
> 
> You want to mutate a key that is within a dictionary?

No, we don't want to mutate it; as far as I know, that is exactly the 
reason why dictionaries don't support mutable keys.

-- 
"Codito ergo sum"
Roel Schroeven