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, 18, ['7053', '4271', '3175', '3997', '4153', '3255', 'd', '4507', 'q', 'm', 'V', '9999', 'Q', 'v', '8543', '2835', '1545', '3549']

SOLUTION: 26471

PROBLEM: 11, 12, ['2735', '2057', '8217', '7745', 'p', '165', 'e', 'g', 'c', '2391', '523', 'R', '1009']

SOLUTION: 523

PROBLEM: 2, 11, ['O', 'E', '7307', 'D', '2079', '5581', 'z', 'E', '3529', 'A', '6501', '5475', '5055']

SOLUTION:
24997