TASK 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.
PROBLEM: 1, 13, ['9225', '8983', 'E', 'F', 'L', 'V', 'h', '9233', '8887', 'o', 'd', 'U', 'B', 'u']

SOLUTION: 36328

PROBLEM: 4, 5, ['b', 'u', '5279', '6945', '6631']

SOLUTION: 13576

PROBLEM: 5, 11, ['e', 'k', '9373', 'B', '4805', '2305', 'N', '2835', 'b', 'f', 'M', '4977']

SOLUTION:
9945