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

    file    2023.09.12.1234   covariance.py
    file    2023.09.12.1234   __init__.py
    file    2023.09.12.1234   introspection.py
    file    2023.09.12.1234   _ordered_dict.py
    file    2023.09.12.1234   progress_bar.py
    file    2023.09.12.1234   quad_forms.py
    file    2023.09.12.1234   routines.py
    file    2023.09.12.1234   slideshow.css
    file    2023.09.12.1234   slideshow.py
    file    2023.09.12.1234   _symeig.py
    file    2023.09.12.1234   templet.py
    file    2023.09.12.1234   temporarydir.py