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
['Y', 'x', '1833', 'D', '4479', 'u', '8871', 'R', '799', '3149', '1163', 'o', '4287', '643', '3151', 'Y', 'K', '5207', '6451']