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
['2799', 'T', '1981', '5695', '2863', '8451', 't', 'D', 'H', '7257', '1069', 'B', 'o', '4163', '499', 'm', '7027', 'M', '8719']