Generates a siren-like sound with specified frequency, duration, and volume.
siren(frequency, time, volume)
Generate a siren sound with the default parameters (440 Hz, 1200 ms, 100 volume)
siren();
Generate a siren sound with 1000 Hz, 2000 ms, and 80 volume
siren(1000, 2000, 80);
Generate a siren sound with 500 Hz, 1500 ms, and 50 volume
siren(500, 1500, 50);