updating the todo list

Author: Akuli

TODO.md

@@ -2,6 +2,12 @@
 
 This tutorial is not complete. It still needs:
 
+- replacement for the thinkpython linking file
+ - what is a type and why it matters
+ - also add `type()` calls to other places, especially when
+ introducing tuples (thanks kodec), functions and modules
+ - `3.14` and `'3.14'`
+ - `# 'hello'` and `'# hello'`
 - range somewhere
 - **More exercises and examples everywhere!**
  - especially "fix this" exercises
@@ -18,6 +24,7 @@ This tutorial is not complete. It still needs:
  - advise to avoid multiple inheritance
 - last chapter: "What should I do now?" links to other resources
  - first of all: read zen and pep8
+ - explanation of the zen, especially the "one right way" myth
  - GUI programming tutorials
  - easygui
  - tkinter in effbot (warn the readers about star imports)