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
['D', 'c', 'e', 'I', 'p', 's', '7029', '1111', '6377', 'b', 'j', '7981', '4737', 'b', 'n', '3825', '5357', 'w', 'R']