Func Delegate In C#

using System;

namespace ConsoleApp2 {
  class Program {
    static void Main(string[] args) {
      Program program = new Program();

      Func <string, string> messageDelegate = program.Greet;

      Console.WriteLine(messageDelegate("Gyan"));
      Console.ReadLine();
    }

    public string Greet(string name) {
      return string.Format("Hello {0}", name);
    }
  }
}

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