Detailed Instructions: 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.
Q: ['6903', 'j', '3077', 'F', 'E', '8419', '2821', 'L', '4335', 'Z', 'O', '371', '8427', '4581', 'w']
A:
8