Refurbish chapter 02

- streamline text
- streamline example functions
- move section on built-ins to beginning
- add notes on the concept of a callable
This commit is contained in:
Alexander Hess 2020-02-05 18:31:52 +01:00
commit 3754297c93
4 changed files with 1639 additions and 715 deletions

File diff suppressed because it is too large Load diff