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.
11, 18, ['5461', '857', '6999', 'P', '6991', 'f', 'i', '6999', '9467', '1421', '7343', 'G', 'z', 'Y', '7273', '5985', '7223', 'B', '1833', '1261', '6391', 'Z']