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:
6, 16, ['P', '8933', '2757', 'y', 'p', '6687', '6903', 'S', 'b', '7221', 'V', 'B', '3633', 'G', '1209', 'J', '641', '1449', 's', 'w', 'C', '5801', 'Y']
answer:
25653


question:
20, 21, ['3975', '2459', 'X', '337', 'X', '5453', '9019', 'O', '4911', '1019', 'y', 'D', 'K', 'W', 'v', '2479', 'a', 'o', '4867', '9195', '3269']
answer:
12464


question:
4, 17, ['y', '4349', '17', 'M', '2377', 'B', 'P', 'e', '2687', '107', 'm', 'C', '2041', 'W', '1099', 'N', 'N', 'j']
answer:

8311