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: 2, 7, ['f', '5605', '3125', 'I', 'q', 'D', 'K', '5321', '2303', '8753', 'q', 'f', '3645', 'T', '6421', 'I', '209', 'R', 'R', '8541', 's', 'D', '4257', '765', 'T', 'u', 'n', 'g']

8730