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:
2, 6, ['1617', '33', 'R', 't', 'B', '6743', '8773', 'o', 's', 'G', 'J', 'M', 'P', '291', '201', 'C']
answer:
33RtB6743


question:
6, 9, ['g', '7481', '6717', '2863', '79', '5841', 'o', 'K', '4697', 'l', 'c', 'G', 'G']
answer:
5841oK4697


question:
1, 16, ['S', '2717', '319', 'w', '7155', '9649', '4409', 'x', '5403', '1609', 'L', 'v', '843', 'm', '1589', '5709', '9499', '785', 'Q', '5609']
answer:

S2717319w715596494409x54031609Lv843m15895709