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.
['w', 'u', 'z', 'b', '3895', '5963', 'y', '6905', 'V', 'r', '3381', 's', 'B', 's', 'Z', 'r', 'w', 'p', '3405', '2581', '5089', 'B', '4561', '8767', '5171', 'b']