instruction:
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.
question:
4, 5, ['b', 'u', '5279', '6945', '6631']
answer:
13576


question:
7, 12, ['273', 'h', '2433', '7155', '731', '5459', 'q', 'G', 'i', 'l', '3981', 'W', 'V', '4999', '8191', 'K', '8393', '9255']
answer:
3981


question:
1, 1, ['3391', '9777']
answer:

3391