Geek Night 5: Ballot stuffing

In this week's Geek Night, you'll need to come up with a voting system that gets your food preferences to win from the given results. In vote-count.py is a simple, not-quite-correct implementation of positional voting which should help you get started. There are two versions of the results: a sanitised one for easy processing and an unsanitised one, in case you want to practise extreme defensive programming.