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.
['n', 'P', 'P', '765', '7945', '2423', 'g', '2311', '7405', 'i', '7335', '2577', '4829', 'u', '163', 'U', 'A', '987', 'U', 'k', 'x']