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
['J', '8529', 'm', '6739', 'z', 'C', 'W', '1491', 'e', 'L', '8125', '5387', 'd', 'y', 'D', '2907', 'b', 'L', '8131', 'B', '4591', '9615', '641', 'j', 'b', 'M']