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.
['O', 'P', '7803', '3605', 'P', 'y', 'e', 'D', 'F', 'k', 't', '8389', 'X', '4033']