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: 10, 12, ['h', 'C', 'q', '7869', 'S', '2545', '3607', '8257', '165', '6373', 'X', '2481', 'a', '5803', '9191', 'v', 'c', 'k', '8077']

SOLUTION: 8854

PROBLEM: 3, 6, ['7233', '7997', 'a', '727', '8387', 'Q', '1313', 'E']

SOLUTION: 9114

PROBLEM: 4, 5, ['4153', '1963', 'b', 'e', 'h', 't']

SOLUTION:
0