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
['4773', '7165', '47', 'I', '6797', '7231', '203', '9637', 'd', 'c', '9681', 'L', 'C', 'E', '3735', '9717', 'U', 'z', 'G', 'd', '423', '8091', 'C', '8261', 'z', 'n', '4963', '1519', '8663', 'i', '725', 'B', 'Y', '4291', 'I', 'J', 'G', 'z']