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: 14, 15, ['B', 'i', 'F', 'F', '7361', 'U', '6625', 'x', '7875', 'm', '5637', '9533', 'y', 'e', '5049', '3809', '1', '8269', '435', '2363', '1679', 'e', '8775', 'A', 'l', '161']

SOLUTION: 5049

PROBLEM: 28, 29, ['9439', '4749', 'b', '5065', 'W', '3631', '4647', '2367', '7155', 'X', 'R', '7889', '3135', '5547', 'C', 'j', 'b', 'e', 'U', 'Y', '8799', 'z', 'h', '7759', '1913', '6103', 'y', 'M', 'B']

SOLUTION: 0

PROBLEM: 5, 9, ['R', 'q', '7065', 'V', '6079', '2519', 'g', '6193', '465', '6871']

SOLUTION:
15256