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
['2105', '9327', 'p', '3749', 'P', 'g', '273', '8097', '6479', 'I', 'D', '6531', 'P', 'b', 'v', '7049', '829', '7407', 'y', '7467']