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
['r', '5719', '9871', 'M', 'B', 'U', 'a', 'A', '8823', '6097', '4753', '3093', 'B', 'b', '5311', '7407', 'F', '5657', '8653']