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.
['W', 'u', '735', 'r', '4029', '6909', 'U', 'q', '2431', 'I', '1071', '7663', '601', '7409', 'B', 'y', 'c', '7731', 'S', '7907', '4933', '427', '2877', '7781', 'o', '3413']