Lesson #2

namespace MyNamespace
{
    class Program
    {
        // Function has 3 parts.
        // 1. Type
        // 2. Name
        // 3. Parameter List
        // Functions must be declared only in class or struct.

        //     [type]  [name]         [parameter list]
        string sayHello(string name, string surname)
        {
            string text = "Hello, " + name;
            return text;
        }

        static void Main()
        {
            Program p = new Program();

            string result = p.sayHello(surname: "Alizada", name: "Vagif");

            System.Console.WriteLine(result);
            // System.Console.WriteLine("Hello, Vagif");
        }
    }
}