Binary package “python-notebook” in ubuntu bionic

Jupyter interactive notebook (Python 2)

 The Jupyter Notebook is a web application that allows you to create and
 share documents that contain live code, equations, visualizations, and
 explanatory text. The Notebook has support for multiple programming
 languages, sharing, and interactive widgets.
 .
 This package contains the Python 2 library.
 .
 This package is not required to run Python 2 code in the notebook, only to
 allow Python 2 code to interact directly with the notebook server.