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
['6413', '1707', 'I', 'u', '8777', '517', 'A', 'I', '1393', 'l', '451', 'v', '9785', 'v', '9043', 'm', 'r', '8377', '3523', '6747', '9495', '39', 'g', '793', 'd', 'a', '261', 'Q', '1529', '9627', '5831', 'R', 'x', '639', '3249', '3333', 's', '2257', '657', 'n']