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
['7453', 'G', 't', 'O', 's', '6533', 'R', '4227', '133', '7429', '735', '6703', '1105', 'K', 'u', 'n', '9547']