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
['7025', 'W', 'c', 'G', 'L', '2727', 'r', '3291', 'g', '1569', 'R', '171', 'r', 'c', 'T', 'b', '7377', '1915']