Fixed incorrect example in functions documentation

[hashAbhiBytes]

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📚 Documentation preview 📚: https://cpython-previews--127293.org.readthedocs.build/

[cpython-cla-bot]

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[skirpichev]

It seems you just change indentation. Now docs even not rendered. I would appreciate if you start with describing your changes in the pr description. What you are trying to fix?

I suggest you next time to try build docs locally (see https://devguide.python.org/documentation/start-documenting/), before creating a non-draft pr.

[StanFromIreland]

You need to fix the indentation as otherwise it will not render.