public Prototype DeepClone()
        {
            Dataset clone = new Dataset();
            for(int i=0;i<this.data.Count; i++)
            {
                clone.data.Add(new List<string>());

                    for(int j=0;j<data[i].Count; j++)
                    {
                        clone.data[i].Add(this.data[i][j]);
                    }

            }
            return clone;
        }




------------------------------

  static void Main(string[] args)
        {
            Dataset DATA = new Dataset("CSV.txt");
            Dataset CLONE = (Dataset)DATA.DeepClone();
            Print(DATA);
            Console.WriteLine();
            Print(CLONE);

        }

        public static void Print(Dataset DATA)
        {
            for (int i = 0; i < DATA.GetData().Count; i++)
            {

                for (int j = 0; j < DATA.GetData()[i].Count; j++)
                {
                    Console.Write(DATA.GetData()[i][j] +", ");
                }
                Console.WriteLine();

            }
        }