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: ['1351', '2477', 'j', '5493', '3109', 'L', '3111', 'R', '139', '4499', '7571', 'h', '191', 'T', 'x', '1775', '405', '3249', '9515', '4611', 'x', '1111', 'n', 'A', '2563', 'k', '3339', 'D', 'r']
Student:
17