Reverse String

using System;

class MainClass {
    static void Main() {
        Console.WriteLine(ReverseString("test"));
    }
    
    public static string ReverseString(string stringToReverse)
    {
    
        var reversedString = "";
        
        for (var i = stringToReverse.Length -1; i >= 0; i--)
        {
            reversedString = reversedString + stringToReverse[i];    
        }
    
        return reversedString;
    }    
}