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
['N', '5849', 'z', 'l', 'N', '7901', '2797', 'P', 'y', 'n', 'K', '9141', 'Q', 'i', '3545', 's', '8637', 'K', 'l', 'D', 'N', 'Y', 'v', 'W']