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
['R', 'r', 'N', 'B', '6057', 'n', '7697', '3461', '8137', 'X', '2969', 't', 'T', '1853', 'J', '9737', 'B', '7283', '5865', '4421', '339', 'C', 'z', 'm', 'Z', 'F', 'L', '3757', '5281', '5023', '3939', '77', '2283', '8673']