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: ['251', '7903', '8553', '8939', 'l', 'i', 'y', 'f', '2421', '2837', 'j', 'L', 'e', '9511', '3665', '9737', '5251', 'i', '7743', 'O', '1867', 'E', 'c', 'O', 'V', 's', '1699', 'y']

SOLUTION: 13

PROBLEM: ['6489', '6211', '8253', '6525', 'y', '7191', 'N', 'p', 'd']

SOLUTION: 5

PROBLEM: ['1445', 'e', 'a', '8547', 'N', '4599', 'K', 'z', 'B', 'b', '4491', 'm', 'F', 'n', '8519', '6109', '917', 'K', 'x']

SOLUTION:
7