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
['721', 'z', '8407', '7819', 'B', 'b', 'A', '1171', '6639', '3135', '8275', '2855', '9661', '9939', '3611', '6417', 'o', 'w', '2061', 'l', 'Z', 'G', '6127', '1255', 'o', 't', 'm', 'M', '5399', 'r']