Does Python have an ordered set? - nikkie-memos

Does Python have an ordered set?

https://stackoverflow.com/questions/1653970/does-python-have-an-ordered-set

辞書はorderedなので、それを使う案

https://stackoverflow.com/a/53657523

list(dict.fromkeys(keywords))

dict.fromkeys()

PyPIのリスト

https://stackoverflow.com/a/23225031

collections-extended

boltons (IndexedSet)

https://stackoverflow.com/a/35258869