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
['23', 'l', '321', '6941', '7073', '6061', 'O', '9603', '1073', '7837', '8529', 'z']