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, 10, ['903', 'p', '4633', '6735', '5981', 'z', 'L', '9709', '8735', 'q', 's', '5103', 'P', 'M', '315', '3953', '4209']

18444