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.

['989', '9937', '7857']
3

['Z', '5215', '279', 'C', '9541', 'K', '901', 'e', 'I', '799', 'a', '9009', '6473', 'v', '3975']
8

['349', '4261', '8271', '3499', '1099', 'X', '9129', '4425', '4647', 'n', 'c', 'U', 'a', 'L', '1265', '5411', 'P']

10