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.
['4387', '3395', 'C', 'K', '8353', 'C', 'n', '2181', '6323', '6453', 'z', 'D', 'H', '1639', '7351', 'g', 'u', '8717', '6021', '3601', 'x', 'f', '3579', 'N', '2291', 'b', 'a', '7577', '2507', 'y', '6667', 'H', '5045', 'K', '7649', '7603', 'B', 'Z']