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
['8451', '7243', 'z', '2845', 'n', 'D', 'v', '6881', 'f', '1001', '4015', 'N', '2673', 'L', '7489', '1525', '3611', '3143', 'l', '7565', '7903', 'H', '3915', '1967', '1315', 'u', '645', 'f', 'e', '6719', '8507', '2951', 'W', '837', '649']