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:
7, 7, ['S', 'a', '1011', '673', '7777', '8529', 'Y']
answer:
0


question:
3, 4, ['6203', 'g', '471', 'j', 'o', '9679', 'M', '5459', 'y', '1929', '1649', 'C']
answer:
471


question:
11, 15, ['k', 'X', '7989', '3169', 'W', 'U', '5237', '7157', 'i', '1463', '8503', '8623', 'G', 'R', 'G', 'Y', '4811', 'Q']
answer:

17126