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
['1493', '6781', 'H', 'm', 'o', '3535', '3453', '4769', 'W', '5461', '3963', 'U', '527', '4325', '7851', 'B', '7711', '5595', '3827', '7057', 'o', 'l']