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
['8363', 'o', '3647', '5523', 'M', 't', 'o', 'R', '2997', '8577', '1333', '1033', '7167', 'M', 'J', 'W', 'S', 'b', 'R', '7941', 'x', 'L']