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.
['D', 'N', 'k', '7221', 'e', 'I', '817', 'H', 'g', '355', '5163', 'l', 'O', 'G', '5827', 'o', 'R', 'F', 'u', 'F', 'Z', 'r', 'v', 'I', '9525', 'r', 'G', 'X', 'r', '3363', '6647', '5267', '6215']