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
['h', 'e', 'W', '35', '7951', 'L', '5741', '611', '3943', 'p', 'S', 'S', '4251', 't', 'E', 'B', '3779', '3161', 'B', 'G', 'S', 'a', '7503', '8143', '8777', 'D', 'Z', 'I', '149', 'W', '7227']