[Tutor] Fun with random numbers

[Michael Miller]

> If you have specific demands on random distribution this
> might not do what you want. As I said, we really need to
> know what you are after to give a good answer.

I'm wanting to create a string of random numbers of a given length. I know how 
to generate one number, but getting 5 or 15 or 50 at one time is escaping me. 
I'm messing with some very, excruciatingly trivial "encryption" type things 
mostly just to have something to do.