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: ['i', 'k', '9997', 'p', '1611', '7477', '4661', '9389', 'I', '431', '3119']

SOLUTION: 7

PROBLEM: ['9603', '8065', 'S', '6563', 'O', '4863', 'g', '1849', 'K', '6979', 'O', '4207', 'w', 'o']

SOLUTION: 7

PROBLEM: ['9587', '307', '2913', '311', 'C', 'v', '57', 'n', 'm', 'A', 'q', '8761', '9667', '6769', '6529', '9373', '5091', '8591', 'k', '7567', 'N', '1443', '3369', 'w', 'W', 'q', 'b', 'U', '2673', 'M', '8303', 'h', '7803', 'u', 'A', '9909', '9789', 'G', '7745', 'a']

SOLUTION:
21