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
['21', '4761', 't', '6673', 'd', 'l', 'D', '6631', '629', '4357', 'W', '5283', 'b']