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
['8559', 'g', '5607', '6191', '9275', '2513', 'B', '2631', 'p', 'Z', '5241', 'B', 't', 'R', '2973', 'O', 'n', 'a']