Write a function that takes an integer as a parameter and adds the alternate digits in the integer

 public  int sumDigits(int inputValue)

        {

            //Varibale to hold the sum

            int TotalSum = 0;

            //Convert your integer to array of digits

            int[] aryDigits = Array.ConvertAll(inputValue.ToString().ToArray(), x => (int)x - 48);

            //Loop through the array take the alternative numbers

            for (int i = 0; i < aryDigits.Length; i = i + 2)

            {

                //Add the alternative numbers and then assign it to variable

                TotalSum = TotalSum + Convert.ToInt32(aryDigits[i]);



            }

            //Return the total value

            return TotalSum;

        }

//Here 12356 is the integer parameter for which we will get the sum of alternative digits

                int n = sumDigits(12356);

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A2H
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