[Tutor] Enumerate vs DictReader object manipulation:
akleider at sonic.net
Wed Feb 3 21:47:05 EST 2016
On 2016-02-03 13:24, Ben Finney wrote:
> You have discovered the difference between an iterable (an object you
> can iterate over with ‘for’), versus a sequence (an object whose items
> remain in place and can be iterated many times).
> Every sequence is an iterable, but not vice versa.
> File objects are iterables, but not sequences. Each time you ask for
> next item, you can't ask the file object for that item again; it is
> “consumed” by the act of iteration.
How does a dict fit into this scheme?
Is it a sequence? 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 sequence.)
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