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:
5, 15, ['9991', '7119', 'x', '6769', 'r', 'i', 'j', 's', '6449', 'j', 'M', '245', '4129', 'B', 'T', '4827', '9543', 'd', 'l', '1125', 'J', '6057', '1241', '2027']
answer:
rijs6449jM2454129BT


question:
6, 8, ['O', 'q', '4221', 'c', '8051', 'V', '639', 'E', 'X', '8367', 'g', 'K', '2951', '6485', '7635', 'q']
answer:
V639E


question:
12, 12, ['8415', 'l', 'r', 'k', '5123', 'P', '7825', 'k', 'H', '7603', '9857', '1779']
answer:

1779