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
['m', '9609', '5619', '2317', 'm', 'U', 'D', 'n', '6955', '8993', '4001', 'H', '1461', '8753', '2167', 'H', '4723', 'U', '4341', 'L', '9039', '4773', 'z', 'D']