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
['2169', 'U', '5275', 'K', '4959', 'b', 'D', 'n', 'O', 'Z', 'K', '7683', 'O', 'l', 'z', 'd', 'm', '1309']