Jupyter is an offshoot of the IPython project, which aims to create a better interactive mode for Python. While Jupyter incorporates IPython, it's still available as a standalone program.

Code cells from Python scripts by default will still be executed in a same interactive window, but developers can now configure the Python extension to run separate files in separate interactive ...

More flexible interactive shell Python 3.13 uses a new interactive shell by default, which has emerged from the PyPy project and offers significantly more convenience than the previous one.