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: ['1971', 'H', '193', '8157', '4143', 'm', 'T', '8291', '5297', '7555', '4771', '4759', '2883', 'M', 'C', 'T', 'S', 'B', '1999', 'f', '6045', 'Z', '5307', 'w', 'x', 'w', '9417', '6903', '161', 'r', 'p', 'l', 'l', '3759', 'R', '55', '9497']

SOLUTION: 19

PROBLEM: ['X', '4697', 'K', 'k', 'K', 'N', '6089', 'b', '1077', '8251', '2431', '9951', 'a', '2731', 'L']

SOLUTION: 7

PROBLEM: ['8571', 'r', '7981', 'X', 'v', '5889', '5417', 'D', 'R', '7313', '4195', 'x', 'X', '2463']

SOLUTION:
7