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.
['P', 'Z', '4391', 'E', '1749', '2233', 'c', '9145', 'A', '4183', 'R', 'f', '5589', 'R', 'P', 'S', '9121', 'I', 'y', '7029', 'g', '9365', 'Z', '5579', 'W', 'I', 'D', 'z', '9865', 'O', 'd', '5323', '757']