[AIT-317] feat: add Python examples for annotations

[ttypic]

Description

• Included Python snippets for creating, publishing, deleting, and subscribing to annotations.
• Extended language support in documentation to include Python examples.
• Updated Python version references to 3.1 in language data files for consistency.

Checklist

• Commits have been rebased.
• Linting has been run against the changed file(s).
• The PR adheres to the writing style guide and contribution guide.

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✨ Finishing Touches

🧪 Generate unit tests (beta)

• Create PR with unit tests
• Post copyable unit tests in a comment
• Commit unit tests in branch AIT-317/python-update

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