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: 6, 16, ['P', 'X', 'U', 'R', 'd', 'x', '1023', '8693', 'B', 'R', 'u', '3445', 'M', 'C', '3655', 'Z', 'i', 'V', 'F']

16816