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
['S', 'P', 'N', '4325', '5799', '5057', '2257', 't', 'O', 'k', '8213', 'm', '6207', '4829', '8961', '2881', 'u', 'w', '3263', 'P', 'u', '2257', '1999', '2193', 'o', '4711', '7515', '4173', '1693', '6919', 'b', 'z']