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: 6, 12, ['j', 'D', '4025', '3063', '1367', 'E', 'c', 'f', '8559', 'c', 'l', 'u', '907', 'r', 'I', '7647']

8559