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
['1247', '4867', '2435', 'w', '6321', '6547', '497', '8155', 'M', '5275', '1431', 'r', '2899', '5157', 'l', 'v', 'u']