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
['6169', 'z', '717', 'Z', 'I', '3127', '7017', 'm', 'I', '5891', 'T', 'N', '2393', 'M', 'r', 'R', 'U', '2431', 'x', 'H', '6353']