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: 1, 2, ['5605', '6415']

SOLUTION: 12020

PROBLEM: 4, 4, ['2227', '1525', 'g', 'l', 'R']

SOLUTION: 0

PROBLEM: 3, 7, ['5151', 'f', 't', '1437', '8675', '7051', 'D', 'N', '3253']

SOLUTION:
17163