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
['7433', 'P', 'f', '9061', '1199', 'p', '7567', '2091', 'C', 'W', 'z', '4045', '3655', '879', '6573', '1939', 'E', '4729']