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:
6, 6, ['2657', '8321', 'n', 'Q', '4697', 'n', 'i', 'Z', 'L', 'c', 'B', 'J', '1859', '5715', '2255', '1603']
answer:
n


question:
13, 20, ['9355', 's', 'j', 'r', '7489', '7795', 'i', 'l', 'T', 'e', 'Z', 'W', 'T', '9257', '6125', 'Y', '1549', 'H', 'L', '7783', 'b', 'b', 'N', '421']
answer:
T92576125Y1549HL7783


question:
6, 23, ['6153', 's', '2617', 'g', 'Y', 'G', 'I', 'd', 'E', '1733', 'u', 'c', '5613', 'v', 'e', 'D', 'e', 'M', 'f', '3015', '3717', '3245', '1431', '3505', 'R', 'C', 'U', 'u']
answer:

GIdE1733uc5613veDeMf3015371732451431