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
['9921', '8421', '2899', '5355', 'y', 'z', '3663', 'v', '1867', '5905', 'd', '7817', '2567', 'K', 'U', '4869', '1435', '2129', '7159', 'O', 'L', '6407', '423', '101', '637', 'f', 'b', 'N', 'B', '7793', '8757', '1137', '4039', '6233', '6915', '8605', 'V']