static void Main(string[] args)
        {
            Read_Write readWrite = new Read_Write();

            readWrite.CreateData(1000);
            readWrite.WriteData(FILENAME);
            Data data = readWrite.GetRecord(FILENAME, "101");
        }
        static void Main(string[] args)
        {
            Read_Write readWrite = new Read_Write();

            readWrite.CreateData(1000);
            readWrite.WriteData(FILENAME);
            readWrite.ReadData(FILENAME);
            readWrite.CreateDictionary();
        }