Dictionary keys are stored in insertion order, meaning whenever a new key is added it gets added at the very end.
Read the full article: How to sort a dictionary in Python
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@treyhunner Does this mean OrderedDict is no longer needed?
@peterdrake that's right.
There are a few features that work differently or only exist on OrderedDict (equality comparisons require the same order for example). I never really used those much though so I haven't really used OrderedDict since Python 3.6.
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@treyhunner I haven't used it explicitly, but [the initializer for] the csv package's DictReader class used to return OrderedDicts. It looks like that changed in 3.8:
