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, 6, ['3087', '7917', 'M', '4557', '4409', 'N', '1843', 's', '1883', 'L', '315', '9983', 'n', 'H', 't', '4419']

SOLUTION: 4409

PROBLEM: 3, 4, ['u', '5041', 'E', 'U', 'a', 'd']

SOLUTION: 0

PROBLEM: 6, 23, ['c', 'b', 'u', '8807', '9977', '3809', 'C', 'W', 'H', 'F', 'n', 'R', '7267', 'r', 'n', '4937', 'A', '6223', '1535', '6539', '9', 'i', '3765', 'g', 'Q']

SOLUTION:
34084