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.
['I', 'K', '1645', '159', 'l', 'O', '8495', '9823', '3975', 'k', '285', '8439', '7345', 'Q', 'V', '1981', 'a', '4071', '1621', '4037', '6261', 'h', '4347']