Definition: In this task, you are given inputs i,j, and A, where i and j are integers and A is a list. You need to return the sum of all the numerical elements in the list A between the positions i and j (including positions i and j). Return 0 if no numerical element is present in the list between the given ranges. i and j will be non-negative, and will always have a value less than the length of A. i will always be less than j.
Input: 16, 19, ['w', 'B', 's', '1465', 'E', '4447', 'a', '5601', '8157', '8273', 'z', '4405', '5471', 'B', '8103', 'w', '7469', 'w', '241', 'n']

7710