[docs] [issue33847] doc: Add '@' operator entry to index

[miss-islington]

miss-islington <mariatta.wijaya+miss-islington at gmail.com> added the comment:


New changeset c05c0e045ccf6e065c59c193195dc0e9b7242dd4 by Miss Islington (bot) in branch '3.7':
bpo-33847: Add '@' operator entry to index (GH-7669)
https://github.com/python/cpython/commit/c05c0e045ccf6e065c59c193195dc0e9b7242dd4


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nosy: +miss-islington

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