String in reverse order

Given a string, write a method that returns that string in reverse order.
Expected input and output
StringInReverseOrder("qwerty") → "ytrewq" StringInReverseOrder("oe93 kr") → "rk 39eo"
using System;

namespace CSharpExercises.Strings
{
    class StringInReverseOrderTask
    {
        static string StringInReverseOrder(string str)
        {
            string reverseString = string.Empty;
            for (int i = str.Length - 1; i >= 0; i--)
            {
                reverseString += str[i];
            }

            return reverseString;
        }

        static void Main(string[] args)
        {
            Console.WriteLine(StringInReverseOrder("Vivamus commodo quam at purus ")); //  surup ta mauq odommoc sumaviV
            Console.WriteLine(StringInReverseOrder("34 ( 9  9@*"));                    // *@9  9 ( 43
            Console.WriteLine(StringInReverseOrder("malesuada"));                      // adauselam
        }
    }
}