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
['p', '9979', 'n', '9577', 'T', '5503', '9283', '7363', '5571', '9397', '4265', 'w', '737', 'P', 'T', '2553', 'W', '721']