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
['B', 'N', 'n', 'z', '1351', '6095', 'Y', '5651', 'w', '3641', '899', '133', '9335', 'E', 'm', '5491', '1275', '6159', '7937', 'M', '6397', '7009', 'b', '7455', 'B', 'S', 'U']