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: 11, 13, ['O', '4429', 'F', '2013', 'v', 'p', 'y', '507', 'g', '935', '1827', 'Q', '4267', 'A', 'm', 'g', 'k', 'S', 'a', 'C', 'q', 'W', 'M']

SOLUTION: 6094

PROBLEM: 2, 11, ['N', '3963', 'O', 'T', '8551', '3099', '577', '9273', '9849', '2593', '4693', 'A', 'O', '7381', 'o', 'P', 'g', 'H', '3927']

SOLUTION: 42598

PROBLEM: 3, 7, ['5227', 'Q', 'x', 'Q', 'r', '5795', 'p']

SOLUTION:
5795