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
['O', 'T', '7237', '3817', 'K', '8077', 'o', 'B', '2227', 'I', 'w', '3355', 'k', 'O', 'O']