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', '571', '7125', 'n', 'g', 'b', 'b', '8571', '4985', 'k', '4073', '4391', '7511', '3879', 'S', 'H', '8451', 'q', 'u', 'L', 'a', '541', 's', 'O', 'U', '8813', '4951', 'k', 'v', 'b', '1629', 'K', 'F']