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.
['O', '8651', 'H', '9639', 't', '8933', 'f', '4507', 'T', '3993', '7985', '5367', 'l', '3701', 'K', '8035', '4287', '4645', '579', 'R', '3273', '3385', 'H', 'l', 'D']