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:
7, 7, ['3713', 'Y', 'Q', 't', 'a', '1235', 'f', '1953', 'B', '2695', 'I', '2265']
answer:
f


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:
2, 3, ['Q', 'X', '1639', 'm', 'o', '9075', '4261', 'd', 'T', 'F', '3063']
answer:

X1639