static void Main(string[] args)
{
WeatherData weatherData = new WeatherData();
TemperatureObserver temperatureObserver = new TemperatureObserver(weatherData);
PressureObserver pressureObserver = new PressureObserver(weatherData);
weatherData.SetMeasurements(30, 20, 10);
weatherData.SetMeasurements(20, 40, 5);
weatherData.UnregisterObserver(temperatureObserver);
weatherData.SetMeasurements(10, 50, 15);
}