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
['P', 'M', 'W', '6169', '9621', 'W', 'u', '4253', '9039', 'R', '6199', 'c', 'C', 'y', '7907', 'm', '3077', '1617', '2591', '4871', 'G', '255', 'J', 'u', '509', '4999']