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
['K', 'S', '9871', '625', 'x', 'y', '3127', 'U', 'k', '5463', '2383', '9987', '7487', '4781', '9815', 'a']