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.

['7967', '4893', '1855', 'i', 'R', '4131', 'd', '1589', 'e', 'D', 'R', '8327', '7369', 'X', '2539', 's', 'U', 'o', 'f']
8

['6841', '1943', 'f', 'd', 'x', '6039', '4415', '3685', '179', 'k']
6

['R', '7379', '2589', '6539', 'w', 'm', 'N', '3703', '7519', '9131', '6279', '4777', 'P', 'K', '5929', '7999', 'i', '7073', '1147', 'X', '689', '4061', '5193', 'a', '8237', '5923', 'R', 'E', '1635', '9133', 'B', '8325', 'Q', '181', 'r', '2131', '8471']

23