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
['255', '8437', '8663', 'z', '1919', 'o', 'c', 'L', '3401', 'F', 'v', 'K', '523', 'Z', 'a']