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:
11, 12, ['S', 'f', 'V', '7983', 'O', 'k', '699', '2831', 'C', 'B', 'B', '1263', 'b', '509', '8963', '8895']
answer:
1263


question:
8, 8, ['9433', '6635', 't', '4425', 'R', '5893', 'z', 'P', 'V', 'f']
answer:
0


question:
2, 5, ['c', '5335', '3197', 'f', 'Z', '8187', 'k', 'r', '243', '6847']
answer:

8532