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, 10, ['1711', '201', '6463', 'J', 'z', 'D', 'I', 's', '2161', 'I', '2479', '4475', '2519', '7511']
answer:
8825


question:
2, 2, ['R', '979', 'H', 'W', 'y']
answer:
979


question:
6, 11, ['2823', 'f', '1999', '4223', 'a', '7269', '1757', '839', 'Y', '2275', 'T', '8605', 'C', 'A']
answer:

12140