please help me to make and filling in the missing code for this…

Question Answered step-by-step please help me to make and filling in the missing code for this… please help me to make and filling in the missing code for this assignment on the program. cs please look out for anything and help me add the code in.this is the program.cs// DO NOT CHANGE THIS FILEusing MyClassLibrary;// here we have the first name and the last name switched. // we need to fix thisstring FirstName = “Smith”;string LastName = “John”;// to fix this, we will code a method that takes two parameters as references// and switch themHelper h = new Helper();h.SwitchStrings(ref FirstName, ref LastName);Console.WriteLine(“The fixed/switched values are n”);Console.WriteLine(“{0} {1}”, FirstName, LastName); on the classlibrary please help me to write the correct code that will run the program.this is the classlibrary. please make a coding assignment that will met the requirement below !!!!namespace MyClassLibrary{   public class Helper   {       // This is where you do your work.       // make a method here called SwitchStrings that receives two        // strings as parameters and switches them.       // ex:       // before executing the methods       //     FirstName = “Smitn”;       //     LastName = “John”;       //       // after executing the method       //     FirstName = “John”;       //     LastName = “Smight”;         }} Computer Science Engineering & Technology Python Programming PROG 120 Share QuestionEmailCopy link Comments (0)