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
['M', '1155', '237', '6389', 'l', '2949', '4037', 'l', 'K', '7123', '3585', '7779', '2605', '7747', 'S', 'x', 'I', '9815', '3773', 'I', '785', 'U', 'b', '7679', 'W']