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
['9415', 'N', 'x', '6323', 'p', '6575', '3321', '3797', 'r', 'S', 'N', 'X', '3549', '221', '6957', '4339', 'u', 'I', '8789', '7843', 'Z', 'T']