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: 7, 17, ['7127', '1999', 'u', '243', '6231', '5149', '6103', 'b', '5627', 'Z', 'B', 'a', 'c', '6557', 'x', '6027', 'e', '9385', '421']

24314