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: 5, 9, ['6337', 'o', '5881', 'w', 'R', 'M', 'z', 'y', 'W']

SOLUTION: 0

PROBLEM: 2, 11, ['N', '3963', 'O', 'T', '8551', '3099', '577', '9273', '9849', '2593', '4693', 'A', 'O', '7381', 'o', 'P', 'g', 'H', '3927']

SOLUTION: 42598

PROBLEM: 4, 5, ['l', '9969', 'U', 'J', '8861', '4831', 'w', 'd', 'i', 'X', '5277', '5277', 'q', 'P', 'P', 'a', '2895']

SOLUTION:
8861