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: ['4071', '2673', 'D', 's', '5891', '7267', 'y', '229', 'c', 'r', '2613', 'B', 'P', 'U', 's', 'Z', 'c', '9099', '6295', 'G', 'r', 'U']

SOLUTION: 8

PROBLEM: ['5347', '3433', '2057', 'u', 'I', 'w', 'u', '3293', 'I', 'O', 'y', 'm', '4215', 'M', 'n', '41', '1577', '3263', 't', '2665', 'n', '8933', '4825', 'T', 'I', 'e', 'c', 'D', 'R', '4297', 'u', 'j', 'I', 'W', '5177', 'u']

SOLUTION: 13

PROBLEM: ['4235', 'r', '4859', 'k', 'W', 'V', 'R', '4935', 'u', '4971', 'x', '5557', '7761', 'n', 'W', '899', '1469', '9795', '4473', 'F', '2113', 'Y', '27', 'p', '1975', 'H', '2479', '3157', 'X', '4399', 'V', 't', '7285', '9687', '5983', '9989']

SOLUTION:
20