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: ['9559', 'f', '2067', 'u', '7291', '2267', '4549', 'p', 'S', '3295', 'Q', 'D', '317', 'x']

SOLUTION: 7

PROBLEM: ['7059', 'D', 'Z', 'm', '525', '1071', 'i', '421', '8813', 't', '415', '2743', '1713', '5915', 'm', '9143', 'L', '5455', '9675', '7409']

SOLUTION: 13

PROBLEM: ['2869', '453', 's', '9137', '9807']

SOLUTION:
4