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 numerical elements in the given list. Return 0 if no numerical element in the list.
['K', 'e', '3469', '3645', 'l', '7971', '3483', 'G', 'u', 'P', '6993', '4983', 'O', '1571', 'r', 'A', 'T', 'T', 'K', '5879', '4257', 'B', '8307', '1827', '9301', '9761', 'd', '2645', '6757', 'K', 'o', '1721']