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: 3, 6, ['6175', '8771', 'b', 'N', '1421', 'f', '9779', 'F', '6085', '795', 'p', 'f', 'D', 'X', '8987', '3851', '1161', 'V', '6021', 'D', 'a', '9087', 'S', 'p', 'x', 'B']

1421