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
['D', 'B', '7835', '4353', '4971', 'O', '3959', 'f', '155', '7543', 'b', 't', '2419']