If you have code examples already, I'd be grateful--I ran into server that had Python but not nmap or nc and while I was already familiar enough with socket to

If you have code examples already, I'd be grateful--I ran into server that had Python but not nmap or nc and while I was already familiar enough with socket to do what I needed, I wasn't so familiar with struct and wasn't able to make much headway manually building TCP/UDP packets before having to move onto other work.