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: ['7967', '4893', '1855', 'i', 'R', '4131', 'd', '1589', 'e', 'D', 'R', '8327', '7369', 'X', '2539', 's', 'U', 'o', 'f']

SOLUTION: 8

PROBLEM: ['K', '3573', '9533', 'q', '869', '5021', '6625', '6623', 't', '23', 'L', '9285', '8305', 'g', '191', '2751', '3923', 'D', '477', 'i', 'Z', 'D', 'B', '7829', 'z', '5365', 'g', '7841', 'g', '3615', 'W']

SOLUTION: 17

PROBLEM: ['7555', '3793', 'R', '3359', 'h', '8299', 'I', '4815', 'I', '673', 'j', 'T', 'D', 'x', 'F', '1305', '8907', 'Z', 'S', '1705', 'x', '7109', 'J', 'x', '1633', 't', 'L', 'G', '4667', '1307', 'v', 'h', 'h', 'i', '5711', 'T']

SOLUTION:
14