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.
Example: ['238', 'h', '92', 'U', '2799']
Example solution: 3
Example explanation: Here, the numbers in the input list are '238', '92' and '2799', hence their count is 3.

Problem: ['6321', 'P', 'U', 'w', 'E', 'J', '3585', 'X', 'z', '3777', '2891', '397']

Solution: 5