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
['a', '553', 'P', 'X', '9683', '7605', '4141', 'l', 'z', 'k', 'W', '5259', '8791']