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, 7, ['6261', 'l', 'T', 't', 'X', 'G', 'Y', 'f']
answer:
0


question:
6, 11, ['m', '455', 'u', 'C', 'b', 'N', 'A', 'W', 'M', '3811', 'K', '657', 's', '2839', 'E', 'E', '2733', '6733', 'c', 'P', 'V']
answer:
3811


question:
2, 2, ['X', 'j']
answer:

0