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: 4, 7, ['f', '6795', '3407', 'b', '6041', 'X', '7383', 'Q', '1803', '573', '235', 'm', 'F', '3943', 'K', '3987', '2691', 'R', '975', 'P']

13424