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
['3555', '7427', 'n', 'p', 'c', 'J', '7187', 'U', '4057', 'o', 'W', '5575', '8339', '1025', '9553', '2839', 'S', '1615', 'F', '5463', '2457']