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.

['7667', 'P', 'n', '4837', 'X', 'T', '3665']
3

['k', 'Y', 'W', 't', 'O', '7103', 'z', 'e', 'R', 'X', 'Z', 'a', 'A', '3027', '4787', 'U', '7453', 'j', 'k', '7275', '8355', 'n', '5803', '239', 'B', 'I', 'm', '725', '3663', 'R', 'L', 'f', 'I', '8781', '1613', 'B']
12

['9651', '9867', '3851', '3317', '9959', '7211', 'C', 'z', '7883', '2547', '1215', '6465', 'N', '1409', 'o', 'P', 'g', 'G', '7245', 'l']

12