CSHARP

c# trygetvalue sample

class Program
{
    static void Main()
    {
        var ids = new Dictionary<string, bool>() { { "X1", true } };
        // We can specify the "out" type by argument.
        if (ids.TryGetValue("X1", out bool result))
        {
            Console.WriteLine($"VALUE: {result}");
        }
    }
}

trygetvalue c#

 //validation
       
  while(!(jukeBoxSongs.TryGetValue(userInput,out user)))
   {
     Console.WriteLine("tell the user what they did wrong");
     Console.WriteLine(" restate the question");
     userInput = Console.ReadLine();//catch the users response with the 
    //same string var you used before 

    }