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, 2, ['M', '3453', '5733', '2337', '9975', '1827', 't', '4937']
answer:
3453


question:
14, 18, ['y', '4021', '9011', '3447', '6467', '5599', 'T', 'g', '1441', 'e', '2857', '7251', 'D', '619', '6413', '3145', '9355', 'O', 'Z', '6521', '5005', 'Q']
answer:
19532


question:
1, 2, ['u', 'P']
answer:

0