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.
['5597', 'e', '2321', '4851', '2659', 'D', 'E', 'J', '7929', 'H', '7251', '703', '2127', 'n', 'r', '5425', 'j', '5885', 'Y', 'C', 'e', 'P', '5127', 'm', 'D', 'M', '6739']