python3-jupyter_core: python3-jupyter_core (core common functionality of Jupyter projects) python3-jupyter_core: python3-jupyter_core: The Jupyter core contains the base application classes and python3-jupyter_core: configuration used by other Jupyter projects. python3-jupyter_core: python3-jupyter_core: python3-jupyter_core: python3-jupyter_core: python3-jupyter_core: python3-jupyter_core: python3-jupyter_core: