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', 'R', 'B']
3

['5273', 'C', 'p', 'j', '7737', 'x', '4561', '3619', '1563', 'l', '8797', 'S', 'd', 'M', 'f', 'w', '1737', 'V', 'U', 'F']
13

['6227', '4243', '809', '8681', 'C', 'k', 'Q', 'B', 'p', 'U', 'v', '2491', '9523', '7311']

7