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
['6339', 'Z', '3381', 'W', 'D', '387', 'd', '7357', '8041', '4413', 'r', '1489', 'K', 'K', 'g', 'm', '7', 'z', '7901', 'L', '8607', '4963']