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.
['9605', '7355', 'K', '1259', 'I', 'u', '4021', 'r', 'V', 'e', '4413', '8505', '9451', '2357', 'g', '6449', '3743', 'A', '1647', 'w', 'z']