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
['9049', 'P', '9179', 'N', 'h', 'n', '5645', '2773', '4001', 'G', '683', 'W', '21', '7731', 'a', 'H', 'Y', 'r']