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
['r', 'r', '7165', 'w', '4847', '6327', 'M', 'x', '4763', 'b', '8401', 'P', 'v', 'W', '2689', '6221', '1955', '4457', 'C', 'U', '3929', '2653', 'l', 'C', '5783', 'U', 'm', 'T', '2789', 'r', '2613', '6421', '4649', 'O', 'W', 'u', '769']