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
['8029', '3187', 'o', '505', 'L', '3833', 'S', 'L', 'U', '7171', 'P', 'p', 'l', '455', '8493']