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: ['4689', 'U', 'J', 'v', '2017', '9979', '1669', '6969', 'Y', '7955', 't', '1669', 'n', 'k', '6319', 'I', '9433', '6053', '9443', 'X', '1217', 'c']

SOLUTION: 12

PROBLEM: ['E', 'A', 'I', '7705', 'I', 'C', '5189', '1313', 'h', '7779', 'i', '8369', 'R', '5053', 'K', 'S']

SOLUTION: 6

PROBLEM: ['6463', 'e', '2947', 's', '5185', 'e', 'N', '6887', 'L', '7535', 'x', 'o', 'j', '7477', 'U', '3045', '5133', '7033', '4037', '9539', '8191']

SOLUTION:
12