private static List<Operator> GetOperatorsFromSplittedCode(string[] splittedCode)
        {
            List<Operator> operators = new List<Operator>();
            int lastOperatorInd = splittedCode.Length - 2;

            for (int operatorInd = 0; operatorInd <= lastOperatorInd; operatorInd += 2)
            {
                Operator newOperator = new Operator(splittedCode[operatorInd]);
                operators.Add(newOperator);
            }
            return operators;
        }
 private static void InsertNewOperatorInSplittedCode(int place, string codePart, ref List<Operator> splittedCode)
 {
     CodePartsDeleter.TrimWhiteSpaceChars(ref codePart);
     Operator newOperator = new Operator(codePart);
     splittedCode.Insert(place, newOperator);
 }