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
['3861', '1915', 'E', '8537', 'O', '5577', 'A', '2407', '1401', '7791', 'y', 'a', '3093', '5725', 'G', 'e', 'B', 'Y', '6517', 'f', 'N', '8713', 'r', 'U', '1897']