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:
1, 6, ['l', '1137', 'c', '3537', 'p', '4561', '2819', '9705']
answer:
l1137c3537p4561


question:
3, 17, ['P', '5851', 'W', 'L', '8311', '6287', 'Q', 'T', '7073', '4047', '9169', 'v', '4471', '1075', 'A', '2889', 'i', '3693', 'a', 'J', '691', '9561', '5233', 'T']
answer:
WL83116287QT707340479169v44711075A2889i


question:
2, 13, ['P', 'j', 'W', 'S', 'K', '8075', 'y', '2137', '7727', '3801', '2611', '73', 'K', '6375', 'v']
answer:

jWSK8075y213777273801261173K