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
['K', '6721', 's', '227', '7749', '6341', 'u', 'o', 'Q', 'j', 'c', '6615', '4989', 'C', '7767', 's', 'O', 'b', '2101', 'h', 'U']