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: 2, 19, ['5671', '7557', '3823', '2307', '2763', 'b', 'E', '5081', '4431', '6143', '6939', '9417', '8697', '4175', 'n', '7633', '8723', 'A', '7583', '2081', '7577', '4019', 'q']

SOLUTION: 85272

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

SOLUTION: 0

PROBLEM: 1, 8, ['3117', '7777', '2215', 'k', '5433', 's', '4737', 'z', 'a']

SOLUTION:
23279