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: 5, 12, ['R', '5621', 'r', 'g', '765', 'h', '493', '5211', 'r', 'D', 'P', '9397', 'c', 'l', 'a', '6403', '8263', 'W', '2363', 'R', 'z', '3007', '6277', '6171', 'p']

15866