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
['117', '2539', '7673', '6577', '7555', 'n', '539', '1887', '5075', 'w', 'v', 'i', '535', '2559', '5047', 'B', 'c', 'Z', 'J', '2117', 'o', '673', '2167', 'a', 'U', 'x', 'l', '4953', '6941', '3855', '2871', 'U', '7351', 'o', 'b', '1839', 'k', '8243', 'U']