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.
['A', 'T', '6823', 'k', 'q', 'X', 'A', 'V', '2545', 'v', 'D', '753', 'n', 'n', '655', '8863', 'a', '3505', '8205', 'u']