TASK DEFINITION: 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.
PROBLEM: ['C', '4897', '3803', 'B', 'd', '7273', 'Z', 'H', '1997', 't', 'm', '2813', '4679', '9643', '1731', '9755', '7519', '8623', '783', 'a', 'n', '5893', '6457', 'd', '1271', 'x', '3969', '8787', '6661', '4587', '3371', 'k', 'm']

SOLUTION: 20

PROBLEM: ['9751', '2607', 'V', 'X', 'U', 'd', '1461', '7429', '6329', '9445', '1571']

SOLUTION: 7

PROBLEM: ['1067', '9705', 'D', 'z', '9549', '7937', '6749', 'Q', '9617', 'h', '2721', '2491', 'd', 'R', 'z', 'Y', 's']

SOLUTION:
8