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, 4, ['1261', 't', 'h', '3615', '7919', 'k']

SOLUTION: 4876

PROBLEM: 1, 4, ['2025', '6689', '1227', '3943', 'z', '719', '8941', 'b', 'V', 'w', '5267', '2403', 'N', '5771']

SOLUTION: 13884

PROBLEM: 5, 5, ['E', 'L', 'V', '119', '2155']

SOLUTION:
2155