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Ordered by insertion (see [Mailinglist](https://mail.python.org/pipermail/python-dev/2017-December/151283.html https://mail.python.org/pipermail/python-dev/2017

• johndough 3y ago
  You are correct. Dicts are ordered by insertion. Also, I'd like to add that, maybe surprisingly, sets are not. >>> set([3, 2, 1]) {1, 2, 3} >>> set([10, 100, 1000]) {1000, 10, 100}