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, 9, ['6869', '4103', 'S', 'k', '6745', 'n', 'x', '7657', 'F', 'd', '1953']

SOLUTION: 25374

PROBLEM: 2, 5, ['601', '9381', '2073', '5113', '9595', 'P', '9499', '7561', '9343']

SOLUTION: 26162

PROBLEM: 2, 10, ['S', '3361', 'w', 'j', '6685', 'T', '8567', 'N', '5279', 'Q']

SOLUTION:
23892