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
['u', 'k', 'h', 'l', '5737', '4821', 'W', '4143', 'i', 'B', '5155', 'y', 'R', 'U', '9115', 'c', '4973']