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: 4, 8, ['P', 'M', '1823', 'j', '9211', 'p', '6021', 'm', 'c', 'L', 'a', '7923', '9541', '8889', '9707', 'D', '8309']

15232