class WeatherForecast (object): """Defines a weather forecast, independent of any implementation""" def __init__ (self): self.air_temperature = None self.rain_probability = None self.rain_amount = None self.sunrise = None self.sunset = None self.moon_phase = None self.wind_speed = None self.icon = None self.short_description = None self.date = None self.place = None self.fetch_time = None