Teacher: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.
Teacher: Now, understand the problem? Solve this instance: ['7579', '5791', 'T', '8135', '5829', '6517', '2699', 'n', '4769', '8287', '5215', '1039', '7409', 'd', 'F', '1331', '6465', '4997', '3113', '3579', '9359', 'C']
Student:
17