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
['H', '467', 'e', 'N', 'v', 'O', 'Z', '427', 'D', '791', '9733', '4233', 'W', 'x']