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: ['77', '3847', '739', '189', '5157', '4589', 'a']

SOLUTION: 6

PROBLEM: ['2723', '8317', 'F', 'U', 'F', 'S', 'm', 'm', 'X', 'p', '9373', 'd', 't', '4201', '3663', 'I', '8493', '6455', '7915', '9859', 'm', '5535', '6835', '9377']

SOLUTION: 12

PROBLEM: ['3457', '7691', '5267', '4321', 'X', '9973', 'f', '7831', 'G', 'o', '2577', '3421', '7127', 't', '8407', '1951', 'n', '2211', 'R', 'p', 'Q', 'O', '4237', 'N', '6391', '571', 'x', 't', '9967', 's']

SOLUTION:
16