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
['O', '6927', 's', '2853', 'm', '7559', '6139', 'S', 'v', '2455', '7463', 'P', 'v', 'L', 't', '9187', '7033', 'u', '2561']