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.
7, 12, ['a', 'X', 'l', 'H', '5421', '7803', '167', '7743', 'z', '5935', 'i', 'G', 'd', 'k', '8859', '523', 'J', 'R', 'w', 'C', 'G']