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', 'S', 'L', '117', '7267', 'R', '1191', 't', '4835', 'H', '1803', '3301', 'F', '5143', '4315', '4273', 'r', '4461', '1343', '7437', 'u', '9571', '19', 'j', 'v', '6641', 'n', 'o', 'O']