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Python 3 has types and you can use Pydantic for validation. https://docs.pydantic.dev https://docs.pydantic.dev

• mola 4y ago
  Isn't pydantic only for runtime validation?
• postpawl 4y ago
  Not just Pydantic. Mypy is more commonly used and has something called mypyc that can compile your typed python code into C.