Python 3.13 Release November 2025 !!exclusive!! Official
class Point(TypedDict): x: int y: ReadOnly[int] # cannot be assigned after creation
# From deadsnakes PPA (recommended for side-by-side install) sudo add-apt-repository ppa:deadsnakes/ppa sudo apt update sudo apt install python3.13 python3.13-venv python3.13-dev python 3.13 release november 2025
pip install pyupgrade pyupgrade --py313-plus your_code.py class Point(TypedDict): x: int y: ReadOnly[int] # cannot