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
['b', 'U', 'w', 'U', '6621', '6337', 'v', 'M', '6545', 'J', 'V', 'J', '7937', 'p', '2851', 'D', '4635', '3011', '6379', 'I', '8151', '1561', '891', 'V', '8341', 'w', '1545', 'B']