Python 3.15 is expected to speed up some programs and simplifies handling immutable data. UTF-8 as standard requires testing.
Today all the cool languages and runtimes pledge allegiance to UTF-8, including Rust, Go, and Node.js (JavaScript itself prefers UTF-16 for internal encoding). Most code editors, from Visual Studio ...
I copied a Python dictionary, but the original still changed. Here's how shallow copies, shared references, and deep copies ...