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
['7725', '8769', '777', 'P', 'T', '7801', '8277', '9277', '259', '501', 'z', '9233', 'M', '9681', '6803', '3217', '2291', '1581', '7517', '2789', 'A', '3147']