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', 'R', 'r', 'u', 'K', 'Y', '4561', 'b', 'O', '4881', '5289', '1403', '45', '7001', '1369', '7873']