So far I'm up to level 14... Level 5 sure was a tricky one and required some research, as in, finding the name of a certain python module and then looking for one with a similar behaviour on CPAN... (lucky it was there, else it would have been really hard, since I don't know a single bit of Python)...

For those really needing a hint for level 5:

Look on CPAN for a Module starting with Python::