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Python is one of the most approachable languages to learn, thanks to its object-oriented-first approach and its minimal ...

Because we declared name as an int already, and input by default returns a string, the type checker would complain. The code would still run, however, since type hints are not used at runtime.

I don't want to dwell on how all of this works, including inner functions and Python's scoping rules. I do, however, want to ask the question "how can you use Mypy to check all of this?" You could ...