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', '4945', 'r', '6029', '5733', '8297', 'v', 'R', 'U', 'C', '5559', 'B', '2933', 'D', 'u']