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
['N', 'j', '5129', 'n', 'Z', 'm', 'I', '5257', '4151', 'D', 'k', '5901', '8229', '8957', '1221', 'z', 'y', 'X', '4899']