Exceptions, assigning a tuple

[Erik Max Francis]

"Gonçalo Rodrigues" wrote:

> Hmm. More generally you have to implement __iter__ for a class to be
> iterable,  be in for loops => can be list-ified, tuple-ified,
> etc.-ified.

Defining an explicit __iter__ method is another way, and is particularly
useful when you're dealing with a class whose iteration can be
encapsulated easily in a separate iterator object that you can return
(and you're running Python 2.2 or up).  That isn't always the case.

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