Python 4.0 Jun 2026

x |> double |> toString

On the screen, a virtual environment spun up. It was a simulation of a 2024 desktop. The icon for IDLE appeared. It opened a window. It ran a simple script that printed I'm a little teapot . python 4.0

@slotted class Point: ...

The official Python 4.0 release is now available for download. Join the conversation on social media, forums, and online communities to stay up-to-date on the latest developments, share your experiences, and help shape the future of Python. x |> double |> toString On the screen,

The biggest controversy had been the "Great Untyping." In the 2030s, static typing had become all the rage. But Python 4.0 swung the pendulum back with a vengeance. It featured —a parser that didn't just read code; it read intent . It opened a window