mutate dictionary or list
raoulbia at gmail.com
Wed Sep 8 12:04:24 CEST 2010
On 7 sep, 16:46, Ben Finney <ben+pyt... at benfinney.id.au> wrote:
> de... at web.de writes:
> > Objects can be mutable or immutable. For example, in Python, integers,
> > strings, floats and tuples are immutable. That means that you can't
> > change their value.
> Yes. Importantly, wherever you see code that you *think* is changing the
> value of an immutable object, you're thinking incorrectly. (There's no
> shame in that; other languages give us preconceptions that can be hard
> to shake off.)
> The only way to get a different value from an integer object is to ask
> Python for a different integer object; the original is unchanged. The
> same goes for tuples, strings, and all the other immutable types.
> > Mutable objects OTOH can be changed.
> Some good articles to explain Python's object model:
> \ “We can't depend for the long run on distinguishing one |
> `\ bitstream from another in order to figure out which rules |
> _o__) apply.” —Eben Moglen, _Anarchism Triumphant_, 1999 |
> Ben Finney
Thanks all for feedback!
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