static Dictionary<string, int> CountWord(string text)
        {
            Dictionary<string, int> frequency;
            frequency = new Dictionary<string,int>();
            string[] words = Regex.Split(text,@"\W+");
            
            foreach(string word in words)
            {
                if(frequency.ContainsKey(word))
                {
                    frequency[word]++;
                }
                else
                {

                    frequency[word] = 1;
                }
            }
            return frequency;
        }