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, 14, ['Y', '9099', 'H', 'D', 'M', '1111', 'N', '4939', 'b', 'Y', '13', 'L', 'J', '4045', '2005', 'F', 'O', '1495', 'J', 'h', 'G']

SOLUTION: 10108

PROBLEM: 7, 12, ['K', '5995', '5183', '67', '563', '9143', 'M', 'H', '2923', '1825', 'y', '373', 'm', 'w', 'x']

SOLUTION: 5121

PROBLEM: 1, 4, ['o', '1993', 'U', '2913', 'e', 'L']

SOLUTION:
4906