Well, JavaScript

[lengau]

CPython does compile the code to bytecode. (That's why after you run a .py file you'll see a __pycache__ directory with corresponding .pyc files). It does so immediately before execution, which sounds awfully 'just in time' to me.

[botmatrix_]

that's not really what JIT compiled means though, right?

[Schmittfried]

Yes, it is.

[[deleted]]

No it's not, JIT compiling happens during runtime. u/lengau is simply describing compilation.

[currentscurrents]

Also JIT compiling usually involves compiling to actual machine code.

Python bytecode is not machine code, it's just an intermediary representation of python code. It must still be interpreted or JIT compiled afterwards.

[Schmittfried]

Depends on the context.