Lord_DeathMatch

I think it's even customised for your country - I got one for Australia. Best use of region locking I've ever seen

Hah, reminds me of the plot of "The Blue Nowhere", wherein the protagonist builds a computer (and a modem) from discrete components whilst in prison

I recently had to put together a small program with JCL for work, and had real difficulty in finding documentation. Can you recommend anything?

Specifically?

As it is here, yeah, only once at the root level. But if you were to use it as a decorator on the original function, and reassign to the original name (as the decorator syntax does), it would print at every level, as the recursive call would bind to the decorated function.

T'was a joke; Non-Pythonic vs Pythonic (NP v P)

And a fun little easter egg; the undocumented "420" command.

Eh, it just returns that for any invalid URL.