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

    file    2023.09.12.1243   covariance.py
    file    2023.09.12.1243   __init__.py
    file    2023.09.12.1243   introspection.py
    file    2023.09.12.1243   _ordered_dict.py
    file    2023.09.12.1243   progress_bar.py
    file    2023.09.12.1243   quad_forms.py
    file    2023.09.12.1243   routines.py
    file    2023.09.12.1243   slideshow.css
    file    2023.09.12.1243   slideshow.py
    file    2023.09.12.1243   _symeig.py
    file    2023.09.12.1243   templet.py
    file    2023.09.12.1243   temporarydir.py