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
['7287', '5209', 'H', '1021', '6029', 'a', '9857', 't', 'o', 'q', '6245', 'n', '2129', 'd', 'b', '9387', '2061', '8123', '881', '1605', 't', 'i', 'd', '455', '4621', '799', '705', 'S', '4907', '1573', 'f', 'D', 'Q', '9289', '9355', '4093', '5975', '3907', 'P']