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: ['8397', 'z', '3677', 'H', '5911', '4619', 'O', '459', 'N', 'Q', 'e', 'h', '8145', '7211', 'u', '8181', 'g', 'o', '8525', '5299', '6597', '2415', 'c', 'y', '1207', '8323', 'T', 'D', 'h']

SOLUTION: 14

PROBLEM: ['2753', '4097', '9441', 'P', '3911', '9997', '575', 'D']

SOLUTION: 6

PROBLEM: ['1737', '7749', 'y', '9751', 'W', 'S', '843', '7663', 'u', 'J', '2881', 'Q', 'a', '7087', '8163', 'v', '9499', '9537', '5929', '8015', '821', '3205', '6859', 'O', '2973', '1217', 'H', '9297', 'z']

SOLUTION:
18