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, 3, ['9773', 'e', 'G', 'm', '1859']

SOLUTION: 0

PROBLEM: 1, 2, ['9769', 'z', '6349', 't', '9391', '7181', '2405', 'j']

SOLUTION: 9769

PROBLEM: 1, 7, ['i', '2079', 'Y', '5455', '147', '3669', '7795', 'b']

SOLUTION:
19145