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: ['M', '6789', '6777', 'd', 'U', 'g', 'A', 'o', 'D', '5089', 'X', '7925', 'J', '8203', 'A', '4217', 'B', 'e', '5545']

SOLUTION: 7

PROBLEM: ['R', 'W', 'I', '6247', '1263', 'R', 'U', 'Q', '3029', 'D', '4203', 'O', 'A', 'c', '6487', '3593', '2937', 'p', '8193', '1603', 'x', 'T', '6415', '577', 'T', '315', '6107', 'H', '9419', 'O', '337', 'o', 'P', 'N']

SOLUTION: 15

PROBLEM: ['4727', '9557', '623', '137', 'l', '9115', 'b', '2089', '7723', 'c']

SOLUTION:
7