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.

['v', '7681', '2527', 'L', 'j', '4105', 'S', '8713', 'E', '9045', 'V', '5731', '2115', '7359', 'd', '2803', '7829', 'w', 'c', 'S', '1315', '703', 'U', '2631', 'C', 'u', '5769', '681', 'O']
15

['z', 'n', '2807', '6309', 'I', '2663']
3

['3507', '7365', 'b', 'z', '7921', 'f', '9577', 'w', 'o', '5383', 'S', 'a', '2525']

6