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:
1, 3, ['c', '2957', 'u', '2321', 'q', 'P', '2347', 'O', 'P', '4463', 'u']
answer:
2957


question:
2, 5, ['5713', 'f', 'g', '9979', '2651', 't', '6513', 'v', '5733', '3325', 'M', 'B', '6139', 'n', 'K', 'h', 'c', '1181', '1263', '6625', 'F', '7059', 'c', '4083', 'i', 'g', '6783']
answer:
12630


question:
18, 20, ['Q', 'X', '3329', '2361', 'o', 't', 'E', 'x', 'i', '173', '7927', '9429', '905', 't', 'F', '7931', '9325', 'E', '9063', 'R', '7883']
answer:

9063