These filenames are represented with the version number shown as "XY"; in practive, "X" will be the major version number and "Y" will be the minor version number of the Python release you're working with. これらのファイル名は"XY" で表されるバージョン名付きで表現されます;"X" は使っている Python リリースのメジャーバージョン番号、"Y" はマイナーバージョン番号です。 - Python
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