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: 8, 18, ['k', '8719', '2575', '4277', 'L', 'C', '5071', 'o', 'R', 'E', 'g', '8043', 'g', 'b', 'A', '8503', 'w', 'F', 'c', 'C', 'M', '4707', 'C', 'U', '5731', '1025', '4981', 'o']

16546