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: 2, 3, ['9191', 'D', '1937', 'N', 'g', '3485', '7327']

SOLUTION: 1937

PROBLEM: 1, 5, ['V', '9481', '9901', '7235', '5281', '2719']

SOLUTION: 31898

PROBLEM: 4, 8, ['2593', 'Q', 'a', '777', 'C', '7507', 'b', 'Y']

SOLUTION:
8284