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

    file    2023.09.12.1241   covariance.py
    file    2023.09.12.1241   __init__.py
    file    2023.09.12.1241   introspection.py
    file    2023.09.12.1241   _ordered_dict.py
    file    2023.09.12.1241   progress_bar.py
    file    2023.09.12.1241   quad_forms.py
    file    2023.09.12.1241   routines.py
    file    2023.09.12.1241   slideshow.css
    file    2023.09.12.1241   slideshow.py
    file    2023.09.12.1241   _symeig.py
    file    2023.09.12.1241   templet.py
    file    2023.09.12.1241   temporarydir.py