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: 3, 4, ['2879', '5161', 'v', 'c', 'P', 'T', 'p', '6905', 'F']

SOLUTION: 0

PROBLEM: 9, 9, ['G', '9137', 'G', '2393', '9383', 'r', '6897', '547', 'W', 'h', 'p', '4557']

SOLUTION: 0

PROBLEM: 2, 3, ['A', '5481', 'k', 'p', '5487', 'B', '205']

SOLUTION:
5481