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
['d', 'm', '5063', '4017', 'H', 'L', 'm', '3807', 'q', '8455', '7775', '7825', '5335', '3971', 't', '3473', '2265', 'O', '4755']