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
['8167', '3789', '195', '6929', '5923', 'Z', 'K', '3915', 'a', '3379', '5853', 'a', 'B', 'z', 'B', 'b', 'l', 't', '4103', '7833']