[Tutor] Dict of function calls

[Pete]

> Oh, and (4)... in Python circles, it's traditional but not compulsory 
> to use metasyntactic variables named after Monty Python sketches 
> rather than foo and bar. So spam, ham, eggs, parrot (dead or 
> otherwise), names of cheeses, aardvark..., although there is no 
> standard order.

Hm, someone maybe should update http://en.wikipedia.org/wiki/Foobar
... as there is a python example listed there...

- Pete