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
['x', 'Z', 'n', 'f', 'O', '3517', 'Y', 'n', 'x', '7771', 'H', '475', 'S', 'f', '4111', '595', 'n', 's', '2931', 'R', '3211', 'w']