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: ['7667', 'P', 'n', '4837', 'X', 'T', '3665']

SOLUTION: 3

PROBLEM: ['n', '1329', 'p', '1941', 't', 'x', '1821', '5967', 'x', '9561', 'y']

SOLUTION: 5

PROBLEM: ['R', '5463', 'U', '1755', 'y', '9419', '3263', '3439', '6303', 'r', '2449', 'b', 'b', 'N', 'F', 't', 'a', '5813', '459', 'i', 'x', '3431', 't', '9949', 'V', '2903', 'f', '5403', 'z', 'c', 'R', 'Z', '1279', '5237', '2197', '2539', 'S', '6697']

SOLUTION:
18