Today Glenbrae school did presentations and my presentation is a secret messages ,you have to use the Semaphore flag alphabet so you know what the sentences are. The sentences was "Room seven is the best."
Semaphore flags were used when people are too far away to hear, and were how people communicated during war.
Some people got it right and some got it wrong. The silly stuff they wrote we just ripped it apart.
Here is Vainikolo presenting our code.