- we use black's default settings
- some cells are NOT kept in black's format to:
- increase readability
- or show Python's flexibility with regard to style
- expand section on indexing and slicing in Chapter 1 on arrays
- add section on dimensionality and shapes of arrays
- streamline text in Chapter 1
- include thumbnails in links to scientific libraries
- add explanation on slicing to core Python introduction
and adjust the list example
- streamline some text and titles in Chapter 0
- make many small notebooks out of one big one
- introduce folder structure for all chapters
- add a bit more content to Chapter 0
- streamline text in Chapter 0
- adjust table of contents
