Write the definition of a class WeatherForecast that provides the following methods: • An __init__ method that initializes the following attribute variables: An attribute variable named skies should be assigned an empty string. An attribute variable named high should be assigned the value 0. An attribute variable named low should be assigned the value 0. • A method named set_skies that accepts one argument, a string. The argument's value should be assigned to the attribute variable skies.