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
['2777', '1041', '3447', 't', 'o', '3667', '8791', '7477', 'N', 'U', 'O', 'c', 'K', 'o', '7909', 'v', 'i']