In this task, you are given an input list. A list contains several comma-separated items written within brackets. You need to return the count of all the alphabetical elements in the given list. Return 0 if no alphabetical element in the list
['2517', 'O', 'o', 'U', 'W', 'M', '6253', '3077', 'r', '4447', 'g', 'o', 'I', '1875', 'v', 'R', '7915', 'A', 'a', 'k', 'L', 'N', 'r', 'B', '8845', 'V', '4835', '1603', '4937', 'h', '8771', '8887', '1167', 'B', 'n', 'l']