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.
['f', 't', 'R', 'O', 'p', 'c', 'u', '4589', 'h', '8735', 'y', 'g', 'o', 'W', '533', 'O', '2517', 'W', '1']