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
['y', '6979', 'z', '475', 't', '657', '5349', '8927', '8815', '1633', 'R', '3821', 'E', '4823', 'p', 'B', '7639']