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
['1793', '2857', '7121', '4045', 'O', '7519', '91', '2141', 'P', '2107', 'F', '5405']