[Tutor] Enumerate vs DictReader object manipulation:
ben+python at benfinney.id.au
Wed Feb 3 22:21:53 EST 2016
Alex Kleider <akleider at sonic.net> writes:
> How does a dict fit into this scheme?
> Is it a sequence?
No, a dict is not a sequence. But it is a container: all its items
remain available and can be retrieved again and again, and you can
interrogate whether a value is one of the items in that container.
An instance of the built-in ‘set’ type is also a container and not a
Containers are iterable too.
> It is an iterable (in that for key in d: works although not in a
> predictable manner and for this reason I tend NOT to think of it as a
That's right, IMO.
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