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: ['3109', 't', '7243', '5483', '1603', 'M', 'R', 'Z', 'c', 'w', 'm', 'M', 'h', '1933', 'o', 'r', '5509', 'a', 'S', 'z', 'U', 'v', 'G', 'V', '1217', 'y', 'J', '5091', 'I', 'k']

SOLUTION: 8

PROBLEM: ['5425', 'f', 'g', '147', '4809', 'S', 'z', 'a', 'E', '9123', '1677', '9481', '2003', 'g', '3229', '9619', 'Q', '4625', 'Y', 'D', '5715', '399', '6671', 'O', '3983', 'Z', '6457', '1789', '6439', 'b', 'P', 'F', 'j', '5299', '6061', 'H', '9619', '4419', '3691', '5653']

SOLUTION:
23