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: 12, 20, ['8137', '9761', '2331', '9799', 'M', '2257', '9985', 'B', 't', '6079', '8559', 'm', '799', '1297', 'Q', '9249', '3813', 'L', 'B', 'I', '1687', 'B', '3763', 'S', 'F', 'R', '3343']

15158