using System;

​

public class Program

{

    static void MyMethod(double temperature, string system = "Celsius", string location = "London")

    {

        Console.WriteLine($"It is currently {temperature} degrees {system} in {location}.");

    }

​

    static void Main()

    {

        double temperature = 29.1;

        MyMethod(system: "Fahrenheit", temperature: 78.4, location: "Paris"); // order of parameters have been mixed

        MyMethod(26.0, location: "Milan"); // 

        Console.WriteLine(temperature);

    }

}