is this data structure build-in or I'll have to write my own class?

[Jarek Zgoda]

Jorge Vargas napisał(a):

> - attribute access (or index)
> - maintain the order (for iter and print)
> - be mutable.

These are all attributes of standard Python lists.

> in case there isn't one. I was thinking having a base class like Bunch
> http://aspn.activestate.com/ASPN/Cookbook/Python/Recipe/52308 and on
> top of that keeping a list of the keys and pop/push to the list when
> adding/deleting items. I don't like this idea because I'll have to
> keep each key twice. (in the list and in __dict__, is this the only
> way of doing it?

What is your objective? From the description of this recipe I cann't get
your use case.

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Jarek Zgoda
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"We read Knuth so you don't have to." (Tim Peters)