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: ['7837', '8405', 'N', '5261']

SOLUTION: 3

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

SOLUTION: 7

PROBLEM: ['l', '3923', 'X', '2167', 'i', 'a', 'N', 'P', '6155', '2769', '3261', 'l', 'C', '3809', 'e']

SOLUTION:
6