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
['7869', '6021', 'R', 'e', '5847', '9061', 'A', 'T', 'K', 'l', '6173', '1701', 'e', 'Z', '6673', 'w', '4019', '707', '1787', '9115', 'U', '883', 'u', '7273', 'W', '9669', '5651', 'k']