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.
18, 28, ['Z', 'R', 'f', '3021', 'I', 'U', '3043', '8829', 'Y', '8313', 'T', '537', '4005', '7437', 'x', 'i', 'A', 'f', 'e', 'U', 'P', 'j', 'h', '6307', 'c', '5383', '4937', 'z', 'K', 'C']