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
['w', '9727', 'Y', '6723', 'Y', 'U', 'W', 'D', 'X', 't', 'z', 'a', 'b', '8947', 'z', '3165', 'w', 'u', '81', '9083', 'M', 'L']