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
['6917', '9679', 'n', 'X', '2305', 'U', 'T', '9111', 'U', 'p', 'P', 'Z', 'c', '7381', 'I', 'a', '4859', '643']