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 concatenate all elements of A from the ith element to the jth element, and print the resultant string. 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:
19, 22, ['7703', '7357', '5135', '7591', '4279', '1403', '6675', '5855', 'i', '3281', 'w', 'f', 'N', 'r', '3507', '5373', 'R', '7783', '215', '8759', 'A', 'P']
answer:
2158759AP


question:
4, 17, ['D', 'F', '2105', '4905', 'k', 'v', '9761', '2955', 'I', '817', '699', 'P', 'l', 'h', 'Z', 'P', 'L']
answer:
4905kv97612955I817699PlhZPL


question:
3, 6, ['E', '6563', '7711', 'a', '1391', '357', '411', '3763', '1587']
answer:

7711a1391357