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.

['6465', '4431', 'L', 'B', '1739']
3

['7799', 'l', 'J', '6069', 'L', 'W', '525', 'x', '8647', 'C', '2887', '6865', '7817', 'U', '4049', 'x', '2629', '1873', '6341', '7159', 'B', 'l']
12

['1459', 'Y', '3653', 'L', 'O', 'd', '4721', '3633', '9023', '63', '4741', 'Y', '7603', '3677', '2745', '4379', 'Q', '2869', 'w', 'y', 'r', 't', 'O', '1127', 'R', 'k', '6315', 's', '1329']

15