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.
['2457', '9269', '3269', 'S', '3193', '2559', 'e', 'F', '6171', '4801', 'H', '3791', '1577', 'B', '6939', 'k', 'E', 'u']