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
['407', 'u', 'd', '873', 'd', '3719', '3587', '5187', 'x', '7271', 'z', '5137', 'j', 'D', 'M', 't', 'R', '3717', 'O', '5955', '1221']