Re: [Python-Dev] Guarantee ordered dict literals in v3.7?

2017年12月15日 10:50:56 -0800

[Eric Snow <[email protected]>]
> Does that include preserving order after deletion?
Given that we're blessing current behavior:
- At any moment, iteration order is from oldest to newest. So, "yes"
to your question.
- While iteration starts with the oldest, .popitem() returns the
youngest. This is analogous to how lists work, viewing a dict
similarly ordered "left to right" (iteration starts at the left,
.pop() at the right, for lists and dicts).
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