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
['6759', '2739', '367', '157', 'l', 'J', 'u', '551', '7389', 'k', 'l', 'y', '6253', 'W', '3099', '1599', '5549', 'e', '657', '3735', '4901', '1425', '7225', 'Z', '7799', '1343', 'b']