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
['s', 'V', 'r', '8105', '2929', '4381', 'M', '561', '7', 'u', '9463', 'a', 'H', 'U', 'P', '6451', '8695', '4983', '731', 's', 'U']