While Jupyter incorporates IPython, it's still available as a standalone program. Despite the name, Jupyter doesn't support Python only. Python is one of the many language "kernels" you can use ...

You can use Jupyter Notebooks to share Python code and its output with third parties, to run code with live interactive feedback, or to systematically track and document the progress of your work.

In this video from the Blue Waters Symposium, Roland Haas from NCSA presents: Tutorial: How to use Jupyter Notebooks. "Jupyter notebooks provide a web-based interface to Python, R, Julia and other ...