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
['z', 't', 'I', '821', 't', '3905', '587', 'S', 'N', 'n', '3457', 'h', '9209', '4017', 'D', 'V', '5421', '585', '3973', 'p', '7357', 'x', 't', 'v', 'W', 'f', 'a']