As suggested by Markus Piotrowski
Yes, as with the main Tutorial and docstrings, try to make code examples work on both Python 2 and 3 (using simple print functions with one variable). If not easy, I think it is time to prefer Python 3 syntax but perhaps the example should not this explicit for the lingering Python 2 users.
Internal links with anchors: See also #13
The correct format for anchored links in the Wiki pages is "all lower case with hyphens",
Each heading has such an anchor, so you can easily jump/link to any heading you like.