type         date         name
    ----    ---------------   ------------------------

    file    2023.09.12.1232   covariance.py
    file    2023.09.12.1232   __init__.py
    file    2023.09.12.1232   introspection.py
    file    2023.09.12.1232   _ordered_dict.py
    file    2023.09.12.1232   progress_bar.py
    file    2023.09.12.1232   quad_forms.py
    file    2023.09.12.1232   routines.py
    file    2023.09.12.1232   slideshow.css
    file    2023.09.12.1232   slideshow.py
    file    2023.09.12.1232   _symeig.py
    file    2023.09.12.1232   templet.py
    file    2023.09.12.1232   temporarydir.py