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, 1, ['f', '6023', 'A', 'f', '4665', 'u', 'o', '7783', 'a', 'N', 'd', '7685', 'W', '9631', 'e', 'W', '1625', 'Q', 'B', '9097', '7613', 'L', '9929', '8469']

SOLUTION: 0

PROBLEM: 5, 6, ['M', '4965', '7693', 'g', 'G', '695', '2401', '5715', 'P', '8197']

SOLUTION: 695

PROBLEM: 8, 13, ['Y', '8427', '3731', '9067', '43', '775', 'V', 'o', 'n', 'b', 'Q', 'i', '5239', 'O']

SOLUTION:
5239