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
['7783', 'N', 'Z', '3721', '1305', '4577', '1779', 'c', 'U', 'W', 'S', 'H', 'b', 'T', '4959']