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.
['I', '4903', '9229', '2107', 'y', '8299', 'R', 'g', 'l', '3443', 'x', '7073', 'z', 'E', '2209', '7571', 'v', '6473', '8895', '7799', '789', 't', '783', 't', 'P']