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.
['245', '2121', 'u', '4543', 'g', '1335', '397', '8747', 's', 'D', '9407', 'm', 'G', 'w', '9165', 'i', 'c', 'k', 'M', '5565', '3237', '8443', '6447', 'o', 'k', '5101', '4393']