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
['1757', 'Z', 'k', 'M', 'G', 'o', '987', '3613', '2529', 'u', '5979', 'e', 'Z', '2535', '7449', 'c', 'n', 'N']