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, 4, ['Y', 'X', 'r', '439', 'D', 'H', '1903']
answer:
439


question:
3, 5, ['6621', 'A', '3201', '9737', '7957', 'v', 'x', 'q', 'b', 'X', 'v', 'B', 'h', '3985', 'M', '3037', 'V']
answer:
20895


question:
13, 15, ['505', 'q', 'j', '7003', '9361', 'F', 'V', 'n', 'd', 'k', 'j', '5313', '1189', 'U', 'X', '3945', '97', 'd']
answer:

1189