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, 12, ['8519', 'c', '7575', '1517', '2735', '4339', '7765', '6455', 'D', 'G', '2437', '9663', '3765', '299', 'n', '7921', 't', 'M', 'l', '515']
answer:
42486


question:
5, 8, ['5745', '5919', '2351', 'M', '3273', '6855', '2999', 's', 'F', 'o', 'W', '8607']
answer:
13127


question:
2, 2, ['6541', '2529', 'T']
answer:

2529