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.
['L', '4841', '6567', 'm', 'L', 'R', 'z', 'K', 'd', 'J', 'J', 'S', 'd', 'z', 'a', '465', 'B', '3965', '429', '4665', 'v', 'h', '925', 'w', 'R', 'l']