What are type hints in Python 3 and how do they work?
An example of an AI chatbot conversation about Python 3 type hints and their compatibility.
What are type hints in Python 3 and how do they work?
Type hints in Python 3 are a way to indicate the expected data types of function arguments and return values. They help with code readability and can assist tools like linters and IDEs in catching type-related errors.
Are type hints compatible with older versions of Python?
Type hints were introduced in Python 3.5, so they are not natively compatible with versions prior to that. However, you can use comments for type hints in older versions.
Can I use type hints with third-party libraries?
Yes, many third-party libraries support type hints. You can also use type stubs (.pyi files) to add type hints for libraries that don't include them.
How do I check if my type hints are correct?
You can use type checkers like mypy to verify that your type hints are correct and that your code adheres to the specified types.
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