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Python
fromRealpython
1 week ago

Python Annotations Quiz - Real Python

Lazy annotations in Python 3.14 defer evaluation of annotations to improve performance, fix forward reference issues, and support static type checking and runtime processing.
#python
fromQuansight
2 months ago
Python

Escaping Contravariance Hell

Contravariance is a key concept in type checking that can cause confusion when using Python typecheckers.
fromInfoWorld
2 months ago
Python

Pyrefly and Ty: Two new Rust-powered Python type-checking tools compared

Python's third-party tools increasingly use Rust for performance and speed improvements.
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