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, 4, ['5373', '6833', 'R', '961', '7647', 'M', 'b', 'u', '59', 'y', '2869', 'H', '1291', 'o', 'O', '7231', '3891', 'Z', '2063', 's', 'y']
answer:
53736833R961


question:
9, 26, ['E', '5103', 'x', '9363', 'y', 'U', '6773', '8381', '4809', 'l', 'a', 'P', '2651', 'I', 'C', 'G', 'Q', '7455', 'W', 'n', '9649', 'E', 'Z', '6495', '6553', 'l', 'q', '4065', 'N', 'M']
answer:
4809laP2651ICGQ7455Wn9649EZ64956553l


question:
15, 20, ['2745', '7909', 'P', 'j', '6549', 'Y', 'x', 't', '5133', '4919', 'l', '4849', '1289', 's', '4405', 'G', '3543', 'J', 'K', 'L', 'V']
answer:

4405G3543JKL