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

SOLUTION: 0

PROBLEM: 1, 14, ['9503', '5983', '143', 'j', '9227', 'g', 'X', '5995', '6623', 'k', 'q', '1047', '2815', '569', 's', 'D', '4045', 'G', '9707', '6707', '7953', 'R']

SOLUTION: 41905

PROBLEM: 2, 3, ['1369', '369', '3255', '9123', '771', 'a', 'F', '4545', 'H', 'Q']

SOLUTION:
3624