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:
2, 10, ['f', 'r', 'Z', '1989', '5035', '1623', '9335', '7495', '8663', '2199', '2047', 'o']
answer:
36339


question:
4, 8, ['3573', '9813', '3867', 'i', '5291', '1987', '9811', 'A']
answer:
17089


question:
1, 1, ['5023', 'S']
answer:

5023